Finding the Fourth Proportional to 6,128.50, 8,457.34 and 3,334

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.50 : 8,457.34 = 3,334 : x
2. Step 2: Convert to fraction form
   6,128.50/8,457.34 = 3,334/x
3. Step 3: Cross multiply
   6,128.50x = 8,457.34 × 3,334
4. Step 4: Simplify right side
   6,128.50x = 28,196,771.56
5. Step 5: Solve for x
   x = 28,196,771.56/6,128.50
6. Step 6: Final answer
   x = 4,600.93