Finding the Fourth Proportional to 1,061.16, 1,589.71 and 888.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.16 : 1,589.71 = 888.93 : x
2. Step 2: Convert to fraction form
   1,061.16/1,589.71 = 888.93/x
3. Step 3: Cross multiply
   1,061.16x = 1,589.71 × 888.93
4. Step 4: Simplify right side
   1,061.16x = 1,413,140.91
5. Step 5: Solve for x
   x = 1,413,140.91/1,061.16
6. Step 6: Final answer
   x = 1,331.69