Finding the Fourth Proportional to 9,233,149.39, 12,742,405.55 and 5,103,091.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,233,149.39 : 12,742,405.55 = 5,103,091.78 : x
2. Step 2: Convert to fraction form
   9,233,149.39/12,742,405.55 = 5,103,091.78/x
3. Step 3: Cross multiply
   9,233,149.39x = 12,742,405.55 × 5,103,091.78
4. Step 4: Simplify right side
   9,233,149.39x = 65,025,665,019,631.38
5. Step 5: Solve for x
   x = 65,025,665,019,631.38/9,233,149.39
6. Step 6: Final answer
   x = 7,042,631.10