Finding the Fourth Proportional to 9,513,826.25, 13,129,088.65 and 5,162,912.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513,826.25 : 13,129,088.65 = 5,162,912.60 : x
2. Step 2: Convert to fraction form
   9,513,826.25/13,129,088.65 = 5,162,912.60/x
3. Step 3: Cross multiply
   9,513,826.25x = 13,129,088.65 × 5,162,912.60
4. Step 4: Simplify right side
   9,513,826.25x = 67,784,337,139,049.27
5. Step 5: Solve for x
   x = 67,784,337,139,049.27/9,513,826.25
6. Step 6: Final answer
   x = 7,124,823.96