Finding the Fourth Proportional to 1,510.14, 2,084.22 and 880.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.14 : 2,084.22 = 880.77 : x
2. Step 2: Convert to fraction form
   1,510.14/2,084.22 = 880.77/x
3. Step 3: Cross multiply
   1,510.14x = 2,084.22 × 880.77
4. Step 4: Simplify right side
   1,510.14x = 1,835,718.45
5. Step 5: Solve for x
   x = 1,835,718.45/1,510.14
6. Step 6: Final answer
   x = 1,215.59