Finding the Fourth Proportional to 293,685.31, 440,312.50 and 93,890.71

Step by Step Solution

1. Step 1: Write the proportion equation
   293,685.31 : 440,312.50 = 93,890.71 : x
2. Step 2: Convert to fraction form
   293,685.31/440,312.50 = 93,890.71/x
3. Step 3: Cross multiply
   293,685.31x = 440,312.50 × 93,890.71
4. Step 4: Simplify right side
   293,685.31x = 41,341,250,575.86
5. Step 5: Solve for x
   x = 41,341,250,575.86/293,685.31
6. Step 6: Final answer
   x = 140,767.17