Finding the Fourth Proportional to 9,007,508.16, 12,431,248.72 and 5,140,611.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007,508.16 : 12,431,248.72 = 5,140,611.36 : x
2. Step 2: Convert to fraction form
   9,007,508.16/12,431,248.72 = 5,140,611.36/x
3. Step 3: Cross multiply
   9,007,508.16x = 12,431,248.72 × 5,140,611.36
4. Step 4: Simplify right side
   9,007,508.16x = 63,904,218,389,017.47
5. Step 5: Solve for x
   x = 63,904,218,389,017.47/9,007,508.16
6. Step 6: Final answer
   x = 7,094,550.15