Finding the Fourth Proportional to 1,061.32, 1,581.56 and 1,026.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.32 : 1,581.56 = 1,026.52 : x
2. Step 2: Convert to fraction form
   1,061.32/1,581.56 = 1,026.52/x
3. Step 3: Cross multiply
   1,061.32x = 1,581.56 × 1,026.52
4. Step 4: Simplify right side
   1,061.32x = 1,623,502.97
5. Step 5: Solve for x
   x = 1,623,502.97/1,061.32
6. Step 6: Final answer
   x = 1,529.70