Finding the Fourth Proportional to 8,715.10, 12,026.72 and 4,736.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,715.10 : 12,026.72 = 4,736.12 : x
2. Step 2: Convert to fraction form
   8,715.10/12,026.72 = 4,736.12/x
3. Step 3: Cross multiply
   8,715.10x = 12,026.72 × 4,736.12
4. Step 4: Simplify right side
   8,715.10x = 56,959,989.13
5. Step 5: Solve for x
   x = 56,959,989.13/8,715.10
6. Step 6: Final answer
   x = 6,535.78