Finding the Fourth Proportional to 8,464.50, 12,702.51 and 5,090.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,464.50 : 12,702.51 = 5,090.04 : x
2. Step 2: Convert to fraction form
   8,464.50/12,702.51 = 5,090.04/x
3. Step 3: Cross multiply
   8,464.50x = 12,702.51 × 5,090.04
4. Step 4: Simplify right side
   8,464.50x = 64,656,284.00
5. Step 5: Solve for x
   x = 64,656,284.00/8,464.50
6. Step 6: Final answer
   x = 7,638.52