Finding the Fourth Proportional to 1,493.58, 2,061.25 and 864.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.58 : 2,061.25 = 864.22 : x
2. Step 2: Convert to fraction form
   1,493.58/2,061.25 = 864.22/x
3. Step 3: Cross multiply
   1,493.58x = 2,061.25 × 864.22
4. Step 4: Simplify right side
   1,493.58x = 1,781,373.48
5. Step 5: Solve for x
   x = 1,781,373.48/1,493.58
6. Step 6: Final answer
   x = 1,192.69