Finding the Fourth Proportional to 13,312.29, 19,971.50 and 3,952.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,312.29 : 19,971.50 = 3,952.10 : x
2. Step 2: Convert to fraction form
   13,312.29/19,971.50 = 3,952.10/x
3. Step 3: Cross multiply
   13,312.29x = 19,971.50 × 3,952.10
4. Step 4: Simplify right side
   13,312.29x = 78,929,275.17
5. Step 5: Solve for x
   x = 78,929,275.17/13,312.29
6. Step 6: Final answer
   x = 5,929.05