Finding the Fourth Proportional to 1,510.15, 2,084.02 and 881.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.15 : 2,084.02 = 881.05 : x
2. Step 2: Convert to fraction form
   1,510.15/2,084.02 = 881.05/x
3. Step 3: Cross multiply
   1,510.15x = 2,084.02 × 881.05
4. Step 4: Simplify right side
   1,510.15x = 1,836,125.82
5. Step 5: Solve for x
   x = 1,836,125.82/1,510.15
6. Step 6: Final answer
   x = 1,215.86