Finding the Fourth Proportional to 6,191.37, 8,543.88 and 3,538.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,191.37 : 8,543.88 = 3,538.72 : x
2. Step 2: Convert to fraction form
   6,191.37/8,543.88 = 3,538.72/x
3. Step 3: Cross multiply
   6,191.37x = 8,543.88 × 3,538.72
4. Step 4: Simplify right side
   6,191.37x = 30,234,409.71
5. Step 5: Solve for x
   x = 30,234,409.71/6,191.37
6. Step 6: Final answer
   x = 4,883.31