Finding the Fourth Proportional to 8,887.30, 12,264.54 and 5,352.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,887.30 : 12,264.54 = 5,352.86 : x
2. Step 2: Convert to fraction form
   8,887.30/12,264.54 = 5,352.86/x
3. Step 3: Cross multiply
   8,887.30x = 12,264.54 × 5,352.86
4. Step 4: Simplify right side
   8,887.30x = 65,650,365.58
5. Step 5: Solve for x
   x = 65,650,365.58/8,887.30
6. Step 6: Final answer
   x = 7,386.99