Finding the Fourth Proportional to 8,697.90, 12,003.15 and 4,719.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697.90 : 12,003.15 = 4,719.02 : x
2. Step 2: Convert to fraction form
   8,697.90/12,003.15 = 4,719.02/x
3. Step 3: Cross multiply
   8,697.90x = 12,003.15 × 4,719.02
4. Step 4: Simplify right side
   8,697.90x = 56,643,104.91
5. Step 5: Solve for x
   x = 56,643,104.91/8,697.90
6. Step 6: Final answer
   x = 6,512.27