Finding the Fourth Proportional to 338,275.59, 507,443.37 and 88,957.59

Step by Step Solution

1. Step 1: Write the proportion equation
   338,275.59 : 507,443.37 = 88,957.59 : x
2. Step 2: Convert to fraction form
   338,275.59/507,443.37 = 88,957.59/x
3. Step 3: Cross multiply
   338,275.59x = 507,443.37 × 88,957.59
4. Step 4: Simplify right side
   338,275.59x = 45,140,939,256.68
5. Step 5: Solve for x
   x = 45,140,939,256.68/338,275.59
6. Step 6: Final answer
   x = 133,444.27