Finding the Fourth Proportional to 8,886.59, 12,262.40 and 5,655.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886.59 : 12,262.40 = 5,655.29 : x
2. Step 2: Convert to fraction form
   8,886.59/12,262.40 = 5,655.29/x
3. Step 3: Cross multiply
   8,886.59x = 12,262.40 × 5,655.29
4. Step 4: Simplify right side
   8,886.59x = 69,347,428.10
5. Step 5: Solve for x
   x = 69,347,428.10/8,886.59
6. Step 6: Final answer
   x = 7,803.61