Finding the Fourth Proportional to 187,880.42, 281,738.71 and 71,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,880.42 : 281,738.71 = 71,062.50 : x
2. Step 2: Convert to fraction form
   187,880.42/281,738.71 = 71,062.50/x
3. Step 3: Cross multiply
   187,880.42x = 281,738.71 × 71,062.50
4. Step 4: Simplify right side
   187,880.42x = 20,021,057,079.38
5. Step 5: Solve for x
   x = 20,021,057,079.38/187,880.42
6. Step 6: Final answer
   x = 106,562.77