Finding the Fourth Proportional to 6,091.50, 8,406.28 and 3,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.50 : 8,406.28 = 3,607.50 : x
2. Step 2: Convert to fraction form
   6,091.50/8,406.28 = 3,607.50/x
3. Step 3: Cross multiply
   6,091.50x = 8,406.28 × 3,607.50
4. Step 4: Simplify right side
   6,091.50x = 30,325,655.10
5. Step 5: Solve for x
   x = 30,325,655.10/6,091.50
6. Step 6: Final answer
   x = 4,978.36