Finding the Fourth Proportional to 10,573.96, 15,863.10 and 3,553.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,573.96 : 15,863.10 = 3,553.15 : x
2. Step 2: Convert to fraction form
   10,573.96/15,863.10 = 3,553.15/x
3. Step 3: Cross multiply
   10,573.96x = 15,863.10 × 3,553.15
4. Step 4: Simplify right side
   10,573.96x = 56,363,973.77
5. Step 5: Solve for x
   x = 56,363,973.77/10,573.96
6. Step 6: Final answer
   x = 5,330.45