Finding the Fourth Proportional to 42,215,940,791.91, 63,334,629,642.04 and 19,542,640,951.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,215,940,791.91 : 63,334,629,642.04 = 19,542,640,951.53 : x
2. Step 2: Convert to fraction form
   42,215,940,791.91/63,334,629,642.04 = 19,542,640,951.53/x
3. Step 3: Cross multiply
   42,215,940,791.91x = 63,334,629,642.04 × 19,542,640,951.53
4. Step 4: Simplify right side
   42,215,940,791.91x = 1,237,725,926,892,418,891,776
5. Step 5: Solve for x
   x = 1,237,725,926,892,418,891,776/42,215,940,791.91
6. Step 6: Final answer
   x = 29,318,923,223.66