Finding the Fourth Proportional to 6,511.59, 8,985.98 and 3,527.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,511.59 : 8,985.98 = 3,527.50 : x
2. Step 2: Convert to fraction form
   6,511.59/8,985.98 = 3,527.50/x
3. Step 3: Cross multiply
   6,511.59x = 8,985.98 × 3,527.50
4. Step 4: Simplify right side
   6,511.59x = 31,698,013.17
5. Step 5: Solve for x
   x = 31,698,013.17/6,511.59
6. Step 6: Final answer
   x = 4,867.94