Finding the Fourth Proportional to 6,345.30, 8,748.36 and 4,103.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,345.30 : 8,748.36 = 4,103.22 : x
2. Step 2: Convert to fraction form
   6,345.30/8,748.36 = 4,103.22/x
3. Step 3: Cross multiply
   6,345.30x = 8,748.36 × 4,103.22
4. Step 4: Simplify right side
   6,345.30x = 35,896,445.72
5. Step 5: Solve for x
   x = 35,896,445.72/6,345.30
6. Step 6: Final answer
   x = 5,657.17