Finding the Fourth Proportional to 2,088.52, 3,133.25 and 918.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.52 : 3,133.25 = 918.47 : x
2. Step 2: Convert to fraction form
   2,088.52/3,133.25 = 918.47/x
3. Step 3: Cross multiply
   2,088.52x = 3,133.25 × 918.47
4. Step 4: Simplify right side
   2,088.52x = 2,877,796.13
5. Step 5: Solve for x
   x = 2,877,796.13/2,088.52
6. Step 6: Final answer
   x = 1,377.91