Finding the Fourth Proportional to 5,651.30, 8,470.10 and 4,987.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,651.30 : 8,470.10 = 4,987.02 : x
2. Step 2: Convert to fraction form
   5,651.30/8,470.10 = 4,987.02/x
3. Step 3: Cross multiply
   5,651.30x = 8,470.10 × 4,987.02
4. Step 4: Simplify right side
   5,651.30x = 42,240,558.10
5. Step 5: Solve for x
   x = 42,240,558.10/5,651.30
6. Step 6: Final answer
   x = 7,474.49