Finding the Fourth Proportional to 1,875.12, 2,585.70 and 1,610.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.12 : 2,585.70 = 1,610.52 : x
2. Step 2: Convert to fraction form
   1,875.12/2,585.70 = 1,610.52/x
3. Step 3: Cross multiply
   1,875.12x = 2,585.70 × 1,610.52
4. Step 4: Simplify right side
   1,875.12x = 4,164,321.56
5. Step 5: Solve for x
   x = 4,164,321.56/1,875.12
6. Step 6: Final answer
   x = 2,220.83