Finding the Fourth Proportional to 114,761.43, 172,128.43 and 30,527.75

Step by Step Solution

1. Step 1: Write the proportion equation
   114,761.43 : 172,128.43 = 30,527.75 : x
2. Step 2: Convert to fraction form
   114,761.43/172,128.43 = 30,527.75/x
3. Step 3: Cross multiply
   114,761.43x = 172,128.43 × 30,527.75
4. Step 4: Simplify right side
   114,761.43x = 5,254,692,665.65
5. Step 5: Solve for x
   x = 5,254,692,665.65/114,761.43
6. Step 6: Final answer
   x = 45,787.97