Finding the Fourth Proportional to 185,645.31, 256,190.82 and 100,762.41

Step by Step Solution

1. Step 1: Write the proportion equation
   185,645.31 : 256,190.82 = 100,762.41 : x
2. Step 2: Convert to fraction form
   185,645.31/256,190.82 = 100,762.41/x
3. Step 3: Cross multiply
   185,645.31x = 256,190.82 × 100,762.41
4. Step 4: Simplify right side
   185,645.31x = 25,814,404,443.08
5. Step 5: Solve for x
   x = 25,814,404,443.08/185,645.31
6. Step 6: Final answer
   x = 139,052.28