Finding the Fourth Proportional to 2,928.28, 4,385.31 and 1,610.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928.28 : 4,385.31 = 1,610.02 : x
2. Step 2: Convert to fraction form
   2,928.28/4,385.31 = 1,610.02/x
3. Step 3: Cross multiply
   2,928.28x = 4,385.31 × 1,610.02
4. Step 4: Simplify right side
   2,928.28x = 7,060,436.81
5. Step 5: Solve for x
   x = 7,060,436.81/2,928.28
6. Step 6: Final answer
   x = 2,411.12