Finding the Fourth Proportional to 141,304.31, 194,951.73 and 87,569.72

Step by Step Solution

1. Step 1: Write the proportion equation
   141,304.31 : 194,951.73 = 87,569.72 : x
2. Step 2: Convert to fraction form
   141,304.31/194,951.73 = 87,569.72/x
3. Step 3: Cross multiply
   141,304.31x = 194,951.73 × 87,569.72
4. Step 4: Simplify right side
   141,304.31x = 17,071,867,434.86
5. Step 5: Solve for x
   x = 17,071,867,434.86/141,304.31
6. Step 6: Final answer
   x = 120,816.33