Finding the Fourth Proportional to 250,432.10, 375,665.55 and 100,672.47

Step by Step Solution

1. Step 1: Write the proportion equation
   250,432.10 : 375,665.55 = 100,672.47 : x
2. Step 2: Convert to fraction form
   250,432.10/375,665.55 = 100,672.47/x
3. Step 3: Cross multiply
   250,432.10x = 375,665.55 × 100,672.47
4. Step 4: Simplify right side
   250,432.10x = 37,819,178,434.89
5. Step 5: Solve for x
   x = 37,819,178,434.89/250,432.10
6. Step 6: Final answer
   x = 151,015.70