Finding the Fourth Proportional to 140,414.50, 193,772.82 and 90,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,414.50 : 193,772.82 = 90,113.50 : x
2. Step 2: Convert to fraction form
   140,414.50/193,772.82 = 90,113.50/x
3. Step 3: Cross multiply
   140,414.50x = 193,772.82 × 90,113.50
4. Step 4: Simplify right side
   140,414.50x = 17,461,547,015.07
5. Step 5: Solve for x
   x = 17,461,547,015.07/140,414.50
6. Step 6: Final answer
   x = 124,357.15