Finding the Fourth Proportional to 42,710,855.86, 58,940,930.55 and 23,131,732.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,710,855.86 : 58,940,930.55 = 23,131,732.78 : x
2. Step 2: Convert to fraction form
   42,710,855.86/58,940,930.55 = 23,131,732.78/x
3. Step 3: Cross multiply
   42,710,855.86x = 58,940,930.55 × 23,131,732.78
4. Step 4: Simplify right side
   42,710,855.86x = 1,363,405,855,287,138.50
5. Step 5: Solve for x
   x = 1,363,405,855,287,138.50/42,710,855.86
6. Step 6: Final answer
   x = 31,921,763.87