Finding the Fourth Proportional to 6,507.89, 8,980.88 and 3,523.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,507.89 : 8,980.88 = 3,523.72 : x
2. Step 2: Convert to fraction form
   6,507.89/8,980.88 = 3,523.72/x
3. Step 3: Cross multiply
   6,507.89x = 8,980.88 × 3,523.72
4. Step 4: Simplify right side
   6,507.89x = 31,646,106.47
5. Step 5: Solve for x
   x = 31,646,106.47/6,507.89
6. Step 6: Final answer
   x = 4,862.73