Finding the Fourth Proportional to 140,951.50, 194,615.16 and 90,737.98

Step by Step Solution

1. Step 1: Write the proportion equation
   140,951.50 : 194,615.16 = 90,737.98 : x
2. Step 2: Convert to fraction form
   140,951.50/194,615.16 = 90,737.98/x
3. Step 3: Cross multiply
   140,951.50x = 194,615.16 × 90,737.98
4. Step 4: Simplify right side
   140,951.50x = 17,658,986,495.78
5. Step 5: Solve for x
   x = 17,658,986,495.78/140,951.50
6. Step 6: Final answer
   x = 125,284.13