Finding the Fourth Proportional to 8,929.83, 12,322.56 and 5,153.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929.83 : 12,322.56 = 5,153.15 : x
2. Step 2: Convert to fraction form
   8,929.83/12,322.56 = 5,153.15/x
3. Step 3: Cross multiply
   8,929.83x = 12,322.56 × 5,153.15
4. Step 4: Simplify right side
   8,929.83x = 63,500,000.06
5. Step 5: Solve for x
   x = 63,500,000.06/8,929.83
6. Step 6: Final answer
   x = 7,111.00