Finding the Fourth Proportional to 2,001.60, 3,002.72 and 614.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.60 : 3,002.72 = 614.79 : x
2. Step 2: Convert to fraction form
   2,001.60/3,002.72 = 614.79/x
3. Step 3: Cross multiply
   2,001.60x = 3,002.72 × 614.79
4. Step 4: Simplify right side
   2,001.60x = 1,846,039.15
5. Step 5: Solve for x
   x = 1,846,039.15/2,001.60
6. Step 6: Final answer
   x = 922.28