Finding the Fourth Proportional to 141,002.32, 194,543.76 and 90,730.48

Step by Step Solution

1. Step 1: Write the proportion equation
   141,002.32 : 194,543.76 = 90,730.48 : x
2. Step 2: Convert to fraction form
   141,002.32/194,543.76 = 90,730.48/x
3. Step 3: Cross multiply
   141,002.32x = 194,543.76 × 90,730.48
4. Step 4: Simplify right side
   141,002.32x = 17,651,048,725.80
5. Step 5: Solve for x
   x = 17,651,048,725.80/141,002.32
6. Step 6: Final answer
   x = 125,182.68