Finding the Fourth Proportional to 11,320.32, 16,980.03 and 5,773.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,320.32 : 16,980.03 = 5,773.55 : x
2. Step 2: Convert to fraction form
   11,320.32/16,980.03 = 5,773.55/x
3. Step 3: Cross multiply
   11,320.32x = 16,980.03 × 5,773.55
4. Step 4: Simplify right side
   11,320.32x = 98,034,967.31
5. Step 5: Solve for x
   x = 98,034,967.31/11,320.32
6. Step 6: Final answer
   x = 8,660.09