Finding the Fourth Proportional to 9,361,427.67, 12,918,520.38 and 5,231,491.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,361,427.67 : 12,918,520.38 = 5,231,491.02 : x
2. Step 2: Convert to fraction form
   9,361,427.67/12,918,520.38 = 5,231,491.02/x
3. Step 3: Cross multiply
   9,361,427.67x = 12,918,520.38 × 5,231,491.02
4. Step 4: Simplify right side
   9,361,427.67x = 67,583,123,359,656.98
5. Step 5: Solve for x
   x = 67,583,123,359,656.98/9,361,427.67
6. Step 6: Final answer
   x = 7,219,318.01