Finding the Fourth Proportional to 11,063.13, 16,598.88 and 5,215.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,063.13 : 16,598.88 = 5,215.56 : x
2. Step 2: Convert to fraction form
   11,063.13/16,598.88 = 5,215.56/x
3. Step 3: Cross multiply
   11,063.13x = 16,598.88 × 5,215.56
4. Step 4: Simplify right side
   11,063.13x = 86,572,454.57
5. Step 5: Solve for x
   x = 86,572,454.57/11,063.13
6. Step 6: Final answer
   x = 7,825.31