Finding the Fourth Proportional to 1,510.06, 2,083.90 and 881.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.06 : 2,083.90 = 881.02 : x
2. Step 2: Convert to fraction form
   1,510.06/2,083.90 = 881.02/x
3. Step 3: Cross multiply
   1,510.06x = 2,083.90 × 881.02
4. Step 4: Simplify right side
   1,510.06x = 1,835,957.58
5. Step 5: Solve for x
   x = 1,835,957.58/1,510.06
6. Step 6: Final answer
   x = 1,215.82