Finding the Fourth Proportional to 10,553.52, 15,819.84 and 4,997.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,553.52 : 15,819.84 = 4,997.10 : x
2. Step 2: Convert to fraction form
   10,553.52/15,819.84 = 4,997.10/x
3. Step 3: Cross multiply
   10,553.52x = 15,819.84 × 4,997.10
4. Step 4: Simplify right side
   10,553.52x = 79,053,322.46
5. Step 5: Solve for x
   x = 79,053,322.46/10,553.52
6. Step 6: Final answer
   x = 7,490.71