Finding the Fourth Proportional to 2,574.50, 3,857.18 and 930.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.50 : 3,857.18 = 930.02 : x
2. Step 2: Convert to fraction form
   2,574.50/3,857.18 = 930.02/x
3. Step 3: Cross multiply
   2,574.50x = 3,857.18 × 930.02
4. Step 4: Simplify right side
   2,574.50x = 3,587,230.61
5. Step 5: Solve for x
   x = 3,587,230.61/2,574.50
6. Step 6: Final answer
   x = 1,393.37