Finding the Fourth Proportional to 1,510.30, 2,084.32 and 880.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.30 : 2,084.32 = 880.98 : x
2. Step 2: Convert to fraction form
   1,510.30/2,084.32 = 880.98/x
3. Step 3: Cross multiply
   1,510.30x = 2,084.32 × 880.98
4. Step 4: Simplify right side
   1,510.30x = 1,836,244.23
5. Step 5: Solve for x
   x = 1,836,244.23/1,510.30
6. Step 6: Final answer
   x = 1,215.81