Finding the Fourth Proportional to 9,726,923.86, 13,423,849.92 and 5,375,916.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726,923.86 : 13,423,849.92 = 5,375,916.77 : x
2. Step 2: Convert to fraction form
   9,726,923.86/13,423,849.92 = 5,375,916.77/x
3. Step 3: Cross multiply
   9,726,923.86x = 13,423,849.92 × 5,375,916.77
4. Step 4: Simplify right side
   9,726,923.86x = 72,165,499,835,771.91
5. Step 5: Solve for x
   x = 72,165,499,835,771.91/9,726,923.86
6. Step 6: Final answer
   x = 7,419,149.25