Finding the Fourth Proportional to 8,478.02, 11,706.61 and 5,498.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,478.02 : 11,706.61 = 5,498.91 : x
2. Step 2: Convert to fraction form
   8,478.02/11,706.61 = 5,498.91/x
3. Step 3: Cross multiply
   8,478.02x = 11,706.61 × 5,498.91
4. Step 4: Simplify right side
   8,478.02x = 64,373,594.80
5. Step 5: Solve for x
   x = 64,373,594.80/8,478.02
6. Step 6: Final answer
   x = 7,593.00