Finding the Fourth Proportional to 5,656.81, 8,490.91 and 5,002.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,656.81 : 8,490.91 = 5,002.99 : x
2. Step 2: Convert to fraction form
   5,656.81/8,490.91 = 5,002.99/x
3. Step 3: Cross multiply
   5,656.81x = 8,490.91 × 5,002.99
4. Step 4: Simplify right side
   5,656.81x = 42,479,870.35
5. Step 5: Solve for x
   x = 42,479,870.35/5,656.81
6. Step 6: Final answer
   x = 7,509.52