Finding the Fourth Proportional to 14,031.50, 21,047.15 and 3,501.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,031.50 : 21,047.15 = 3,501.47 : x
2. Step 2: Convert to fraction form
   14,031.50/21,047.15 = 3,501.47/x
3. Step 3: Cross multiply
   14,031.50x = 21,047.15 × 3,501.47
4. Step 4: Simplify right side
   14,031.50x = 73,695,841.57
5. Step 5: Solve for x
   x = 73,695,841.57/14,031.50
6. Step 6: Final answer
   x = 5,252.17