Finding the Fourth Proportional to 6,213.59, 8,574.56 and 4,542.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,213.59 : 8,574.56 = 4,542.05 : x
2. Step 2: Convert to fraction form
   6,213.59/8,574.56 = 4,542.05/x
3. Step 3: Cross multiply
   6,213.59x = 8,574.56 × 4,542.05
4. Step 4: Simplify right side
   6,213.59x = 38,946,071.89
5. Step 5: Solve for x
   x = 38,946,071.89/6,213.59
6. Step 6: Final answer
   x = 6,267.89