Finding the Fourth Proportional to 57,638.88, 79,538.88 and 32,488.32

Step by Step Solution

1. Step 1: Write the proportion equation
   57,638.88 : 79,538.88 = 32,488.32 : x
2. Step 2: Convert to fraction form
   57,638.88/79,538.88 = 32,488.32/x
3. Step 3: Cross multiply
   57,638.88x = 79,538.88 × 32,488.32
4. Step 4: Simplify right side
   57,638.88x = 2,584,084,585.88
5. Step 5: Solve for x
   x = 2,584,084,585.88/57,638.88
6. Step 6: Final answer
   x = 44,832.32