Finding the Fourth Proportional to 40,031.98, 55,071.24 and 34,613.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,031.98 : 55,071.24 = 34,613.98 : x
2. Step 2: Convert to fraction form
   40,031.98/55,071.24 = 34,613.98/x
3. Step 3: Cross multiply
   40,031.98x = 55,071.24 × 34,613.98
4. Step 4: Simplify right side
   40,031.98x = 1,906,234,799.94
5. Step 5: Solve for x
   x = 1,906,234,799.94/40,031.98
6. Step 6: Final answer
   x = 47,617.80