Finding the Fourth Proportional to 8,812.50, 12,159.72 and 5,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,812.50 : 12,159.72 = 5,826.72 : x
2. Step 2: Convert to fraction form
   8,812.50/12,159.72 = 5,826.72/x
3. Step 3: Cross multiply
   8,812.50x = 12,159.72 × 5,826.72
4. Step 4: Simplify right side
   8,812.50x = 70,851,283.72
5. Step 5: Solve for x
   x = 70,851,283.72/8,812.50
6. Step 6: Final answer
   x = 8,039.86