Finding the Fourth Proportional to 1,510.94, 2,085.12 and 881.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.94 : 2,085.12 = 881.84 : x
2. Step 2: Convert to fraction form
   1,510.94/2,085.12 = 881.84/x
3. Step 3: Cross multiply
   1,510.94x = 2,085.12 × 881.84
4. Step 4: Simplify right side
   1,510.94x = 1,838,742.22
5. Step 5: Solve for x
   x = 1,838,742.22/1,510.94
6. Step 6: Final answer
   x = 1,216.95