Finding the Fourth Proportional to 42,587.34, 63,888.71 and 17,613.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,587.34 : 63,888.71 = 17,613.83 : x
2. Step 2: Convert to fraction form
   42,587.34/63,888.71 = 17,613.83/x
3. Step 3: Cross multiply
   42,587.34x = 63,888.71 × 17,613.83
4. Step 4: Simplify right side
   42,587.34x = 1,125,324,469.35
5. Step 5: Solve for x
   x = 1,125,324,469.35/42,587.34
6. Step 6: Final answer
   x = 26,423.92