Finding the Fourth Proportional to 9,513,826.30, 13,129,088.61 and 5,162,912.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513,826.30 : 13,129,088.61 = 5,162,912.47 : x
2. Step 2: Convert to fraction form
   9,513,826.30/13,129,088.61 = 5,162,912.47/x
3. Step 3: Cross multiply
   9,513,826.30x = 13,129,088.61 × 5,162,912.47
4. Step 4: Simplify right side
   9,513,826.30x = 67,784,335,304,303.96
5. Step 5: Solve for x
   x = 67,784,335,304,303.96/9,513,826.30
6. Step 6: Final answer
   x = 7,124,823.72