Finding the Fourth Proportional to 1,510.32, 2,084.05 and 881.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.32 : 2,084.05 = 881.06 : x
2. Step 2: Convert to fraction form
   1,510.32/2,084.05 = 881.06/x
3. Step 3: Cross multiply
   1,510.32x = 2,084.05 × 881.06
4. Step 4: Simplify right side
   1,510.32x = 1,836,162.67
5. Step 5: Solve for x
   x = 1,836,162.67/1,510.32
6. Step 6: Final answer
   x = 1,215.74