Finding the Fourth Proportional to 6,507.81, 8,980.71 and 3,523.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,507.81 : 8,980.71 = 3,523.59 : x
2. Step 2: Convert to fraction form
   6,507.81/8,980.71 = 3,523.59/x
3. Step 3: Cross multiply
   6,507.81x = 8,980.71 × 3,523.59
4. Step 4: Simplify right side
   6,507.81x = 31,644,339.95
5. Step 5: Solve for x
   x = 31,644,339.95/6,507.81
6. Step 6: Final answer
   x = 4,862.52