Finding the Fourth Proportional to 42,385.22, 63,587.52 and 18,373.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,385.22 : 63,587.52 = 18,373.55 : x
2. Step 2: Convert to fraction form
   42,385.22/63,587.52 = 18,373.55/x
3. Step 3: Cross multiply
   42,385.22x = 63,587.52 × 18,373.55
4. Step 4: Simplify right side
   42,385.22x = 1,168,328,160.16
5. Step 5: Solve for x
   x = 1,168,328,160.16/42,385.22
6. Step 6: Final answer
   x = 27,564.52