Finding the Fourth Proportional to 1,493.96, 2,061.91 and 864.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.96 : 2,061.91 = 864.38 : x
2. Step 2: Convert to fraction form
   1,493.96/2,061.91 = 864.38/x
3. Step 3: Cross multiply
   1,493.96x = 2,061.91 × 864.38
4. Step 4: Simplify right side
   1,493.96x = 1,782,273.77
5. Step 5: Solve for x
   x = 1,782,273.77/1,493.96
6. Step 6: Final answer
   x = 1,192.99