Finding the Fourth Proportional to 6,151.94, 8,489.67 and 3,499.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.94 : 8,489.67 = 3,499.86 : x
2. Step 2: Convert to fraction form
   6,151.94/8,489.67 = 3,499.86/x
3. Step 3: Cross multiply
   6,151.94x = 8,489.67 × 3,499.86
4. Step 4: Simplify right side
   6,151.94x = 29,712,656.45
5. Step 5: Solve for x
   x = 29,712,656.45/6,151.94
6. Step 6: Final answer
   x = 4,829.80