Finding the Fourth Proportional to 123,638.22, 185,455.31 and 39,397.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,638.22 : 185,455.31 = 39,397.25 : x
2. Step 2: Convert to fraction form
   123,638.22/185,455.31 = 39,397.25/x
3. Step 3: Cross multiply
   123,638.22x = 185,455.31 × 39,397.25
4. Step 4: Simplify right side
   123,638.22x = 7,306,429,478.55
5. Step 5: Solve for x
   x = 7,306,429,478.55/123,638.22
6. Step 6: Final answer
   x = 59,095.23