Finding the Fourth Proportional to 6,145.25, 8,479.35 and 3,492.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.25 : 8,479.35 = 3,492.15 : x
2. Step 2: Convert to fraction form
   6,145.25/8,479.35 = 3,492.15/x
3. Step 3: Cross multiply
   6,145.25x = 8,479.35 × 3,492.15
4. Step 4: Simplify right side
   6,145.25x = 29,611,162.10
5. Step 5: Solve for x
   x = 29,611,162.10/6,145.25
6. Step 6: Final answer
   x = 4,818.55