Finding the Fourth Proportional to 93,931.08, 140,902.25 and 30,757.86

Step by Step Solution

1. Step 1: Write the proportion equation
   93,931.08 : 140,902.25 = 30,757.86 : x
2. Step 2: Convert to fraction form
   93,931.08/140,902.25 = 30,757.86/x
3. Step 3: Cross multiply
   93,931.08x = 140,902.25 × 30,757.86
4. Step 4: Simplify right side
   93,931.08x = 4,333,851,525.40
5. Step 5: Solve for x
   x = 4,333,851,525.40/93,931.08
6. Step 6: Final answer
   x = 46,138.63