Finding the Fourth Proportional to 1,066.61, 1,594.29 and 926.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.61 : 1,594.29 = 926.69 : x
2. Step 2: Convert to fraction form
   1,066.61/1,594.29 = 926.69/x
3. Step 3: Cross multiply
   1,066.61x = 1,594.29 × 926.69
4. Step 4: Simplify right side
   1,066.61x = 1,477,407.97
5. Step 5: Solve for x
   x = 1,477,407.97/1,066.61
6. Step 6: Final answer
   x = 1,385.14