Finding the Fourth Proportional to 140,684.88, 193,964.04 and 90,365.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,684.88 : 193,964.04 = 90,365.52 : x
2. Step 2: Convert to fraction form
   140,684.88/193,964.04 = 90,365.52/x
3. Step 3: Cross multiply
   140,684.88x = 193,964.04 × 90,365.52
4. Step 4: Simplify right side
   140,684.88x = 17,527,661,335.90
5. Step 5: Solve for x
   x = 17,527,661,335.90/140,684.88
6. Step 6: Final answer
   x = 124,588.10