Finding the Fourth Proportional to 9,253,311.86, 12,769,969.41 and 5,123,343.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,253,311.86 : 12,769,969.41 = 5,123,343.09 : x
2. Step 2: Convert to fraction form
   9,253,311.86/12,769,969.41 = 5,123,343.09/x
3. Step 3: Cross multiply
   9,253,311.86x = 12,769,969.41 × 5,123,343.09
4. Step 4: Simplify right side
   9,253,311.86x = 65,424,934,536,234.88
5. Step 5: Solve for x
   x = 65,424,934,536,234.88/9,253,311.86
6. Step 6: Final answer
   x = 7,070,434.41