Finding the Fourth Proportional to 1,493.32, 2,061.04 and 863.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.32 : 2,061.04 = 863.76 : x
2. Step 2: Convert to fraction form
   1,493.32/2,061.04 = 863.76/x
3. Step 3: Cross multiply
   1,493.32x = 2,061.04 × 863.76
4. Step 4: Simplify right side
   1,493.32x = 1,780,243.91
5. Step 5: Solve for x
   x = 1,780,243.91/1,493.32
6. Step 6: Final answer
   x = 1,192.14