Finding the Fourth Proportional to 1,493.51, 2,061.35 and 864.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.51 : 2,061.35 = 864.07 : x
2. Step 2: Convert to fraction form
   1,493.51/2,061.35 = 864.07/x
3. Step 3: Cross multiply
   1,493.51x = 2,061.35 × 864.07
4. Step 4: Simplify right side
   1,493.51x = 1,781,150.69
5. Step 5: Solve for x
   x = 1,781,150.69/1,493.51
6. Step 6: Final answer
   x = 1,192.59