Finding the Fourth Proportional to 9,012,487.07, 12,437,730.21 and 5,146,250.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012,487.07 : 12,437,730.21 = 5,146,250.15 : x
2. Step 2: Convert to fraction form
   9,012,487.07/12,437,730.21 = 5,146,250.15/x
3. Step 3: Cross multiply
   9,012,487.07x = 12,437,730.21 × 5,146,250.15
4. Step 4: Simplify right side
   9,012,487.07x = 64,007,670,896,683.38
5. Step 5: Solve for x
   x = 64,007,670,896,683.38/9,012,487.07
6. Step 6: Final answer
   x = 7,102,109.60