Finding the Fourth Proportional to 9,498,345.72, 13,107,728.30 and 5,147,432.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,498,345.72 : 13,107,728.30 = 5,147,432.00 : x
2. Step 2: Convert to fraction form
   9,498,345.72/13,107,728.30 = 5,147,432.00/x
3. Step 3: Cross multiply
   9,498,345.72x = 13,107,728.30 × 5,147,432.00
4. Step 4: Simplify right side
   9,498,345.72x = 67,471,140,007,449.80
5. Step 5: Solve for x
   x = 67,471,140,007,449.80/9,498,345.72
6. Step 6: Final answer
   x = 7,103,462.22