Finding the Fourth Proportional to 60,942,375.49, 91,394,360.78 and 19,992,272.28

Step by Step Solution

1. Step 1: Write the proportion equation
   60,942,375.49 : 91,394,360.78 = 19,992,272.28 : x
2. Step 2: Convert to fraction form
   60,942,375.49/91,394,360.78 = 19,992,272.28/x
3. Step 3: Cross multiply
   60,942,375.49x = 91,394,360.78 × 19,992,272.28
4. Step 4: Simplify right side
   60,942,375.49x = 1,827,180,945,371,106.75
5. Step 5: Solve for x
   x = 1,827,180,945,371,106.75/60,942,375.49
6. Step 6: Final answer
   x = 29,982,109.01