Finding the Fourth Proportional to 71,061.96, 106,584.67 and 18,475.55

Step by Step Solution

1. Step 1: Write the proportion equation
   71,061.96 : 106,584.67 = 18,475.55 : x
2. Step 2: Convert to fraction form
   71,061.96/106,584.67 = 18,475.55/x
3. Step 3: Cross multiply
   71,061.96x = 106,584.67 × 18,475.55
4. Step 4: Simplify right side
   71,061.96x = 1,969,210,399.82
5. Step 5: Solve for x
   x = 1,969,210,399.82/71,061.96
6. Step 6: Final answer
   x = 27,711.17