Finding the Fourth Proportional to 8,627.86, 12,916.86 and 5,059.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,627.86 : 12,916.86 = 5,059.18 : x
2. Step 2: Convert to fraction form
   8,627.86/12,916.86 = 5,059.18/x
3. Step 3: Cross multiply
   8,627.86x = 12,916.86 × 5,059.18
4. Step 4: Simplify right side
   8,627.86x = 65,348,719.77
5. Step 5: Solve for x
   x = 65,348,719.77/8,627.86
6. Step 6: Final answer
   x = 7,574.15