Finding the Fourth Proportional to 6,507.91, 8,980.89 and 3,523.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,507.91 : 8,980.89 = 3,523.72 : x
2. Step 2: Convert to fraction form
   6,507.91/8,980.89 = 3,523.72/x
3. Step 3: Cross multiply
   6,507.91x = 8,980.89 × 3,523.72
4. Step 4: Simplify right side
   6,507.91x = 31,646,141.71
5. Step 5: Solve for x
   x = 31,646,141.71/6,507.91
6. Step 6: Final answer
   x = 4,862.72