Finding the Fourth Proportional to 1,510.96, 2,085.02 and 881.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.96 : 2,085.02 = 881.59 : x
2. Step 2: Convert to fraction form
   1,510.96/2,085.02 = 881.59/x
3. Step 3: Cross multiply
   1,510.96x = 2,085.02 × 881.59
4. Step 4: Simplify right side
   1,510.96x = 1,838,132.78
5. Step 5: Solve for x
   x = 1,838,132.78/1,510.96
6. Step 6: Final answer
   x = 1,216.53