Finding the Fourth Proportional to 12,861,180.61, 17,748,359.42 and 7,060,061.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,180.61 : 17,748,359.42 = 7,060,061.05 : x
2. Step 2: Convert to fraction form
   12,861,180.61/17,748,359.42 = 7,060,061.05/x
3. Step 3: Cross multiply
   12,861,180.61x = 17,748,359.42 × 7,060,061.05
4. Step 4: Simplify right side
   12,861,180.61x = 125,304,500,962,871.39
5. Step 5: Solve for x
   x = 125,304,500,962,871.39/12,861,180.61
6. Step 6: Final answer
   x = 9,742,845.92