Finding the Fourth Proportional to 42,639,441.62, 63,987,506.01 and 19,922,110.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,639,441.62 : 63,987,506.01 = 19,922,110.34 : x
2. Step 2: Convert to fraction form
   42,639,441.62/63,987,506.01 = 19,922,110.34/x
3. Step 3: Cross multiply
   42,639,441.62x = 63,987,506.01 × 19,922,110.34
4. Step 4: Simplify right side
   42,639,441.62x = 1,274,766,155,112,633
5. Step 5: Solve for x
   x = 1,274,766,155,112,633/42,639,441.62
6. Step 6: Final answer
   x = 29,896,408.27