Finding the Fourth Proportional to 6,114.60, 8,430.72 and 5,168.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,114.60 : 8,430.72 = 5,168.68 : x
2. Step 2: Convert to fraction form
   6,114.60/8,430.72 = 5,168.68/x
3. Step 3: Cross multiply
   6,114.60x = 8,430.72 × 5,168.68
4. Step 4: Simplify right side
   6,114.60x = 43,575,693.85
5. Step 5: Solve for x
   x = 43,575,693.85/6,114.60
6. Step 6: Final answer
   x = 7,126.50