Finding the Fourth Proportional to 13,302.88, 19,957.98 and 3,943.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,302.88 : 19,957.98 = 3,943.36 : x
2. Step 2: Convert to fraction form
   13,302.88/19,957.98 = 3,943.36/x
3. Step 3: Cross multiply
   13,302.88x = 19,957.98 × 3,943.36
4. Step 4: Simplify right side
   13,302.88x = 78,701,500.01
5. Step 5: Solve for x
   x = 78,701,500.01/13,302.88
6. Step 6: Final answer
   x = 5,916.12