Finding the Fourth Proportional to 9,359,420.61, 14,103,015.82 and 7,690,939.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359,420.61 : 14,103,015.82 = 7,690,939.78 : x
2. Step 2: Convert to fraction form
   9,359,420.61/14,103,015.82 = 7,690,939.78/x
3. Step 3: Cross multiply
   9,359,420.61x = 14,103,015.82 × 7,690,939.78
4. Step 4: Simplify right side
   9,359,420.61x = 108,465,445,388,007.33
5. Step 5: Solve for x
   x = 108,465,445,388,007.33/9,359,420.61
6. Step 6: Final answer
   x = 11,588,905.97