Finding the Fourth Proportional to 42,371,864.10, 63,557,796.15 and 39,820,947.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,371,864.10 : 63,557,796.15 = 39,820,947.30 : x
2. Step 2: Convert to fraction form
   42,371,864.10/63,557,796.15 = 39,820,947.30/x
3. Step 3: Cross multiply
   42,371,864.10x = 63,557,796.15 × 39,820,947.30
4. Step 4: Simplify right side
   42,371,864.10x = 2,530,931,650,993,292.50
5. Step 5: Solve for x
   x = 2,530,931,650,993,292.50/42,371,864.10
6. Step 6: Final answer
   x = 59,731,420.95