Finding the Fourth Proportional to 8,694.42, 12,000.20 and 5,339.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,694.42 : 12,000.20 = 5,339.00 : x
2. Step 2: Convert to fraction form
   8,694.42/12,000.20 = 5,339.00/x
3. Step 3: Cross multiply
   8,694.42x = 12,000.20 × 5,339.00
4. Step 4: Simplify right side
   8,694.42x = 64,068,981.10
5. Step 5: Solve for x
   x = 64,068,981.10/8,694.42
6. Step 6: Final answer
   x = 7,368.98