Finding the Fourth Proportional to 1,510.08, 2,084.38 and 880.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.08 : 2,084.38 = 880.76 : x
2. Step 2: Convert to fraction form
   1,510.08/2,084.38 = 880.76/x
3. Step 3: Cross multiply
   1,510.08x = 2,084.38 × 880.76
4. Step 4: Simplify right side
   1,510.08x = 1,835,838.53
5. Step 5: Solve for x
   x = 1,835,838.53/1,510.08
6. Step 6: Final answer
   x = 1,215.72