Finding the Fourth Proportional to 7,048.32, 9,715.50 and 5,553.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,048.32 : 9,715.50 = 5,553.96 : x
2. Step 2: Convert to fraction form
   7,048.32/9,715.50 = 5,553.96/x
3. Step 3: Cross multiply
   7,048.32x = 9,715.50 × 5,553.96
4. Step 4: Simplify right side
   7,048.32x = 53,959,498.38
5. Step 5: Solve for x
   x = 53,959,498.38/7,048.32
6. Step 6: Final answer
   x = 7,655.65