Finding the Fourth Proportional to 1,359.33, 1,875.32 and 887.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.33 : 1,875.32 = 887.06 : x
2. Step 2: Convert to fraction form
   1,359.33/1,875.32 = 887.06/x
3. Step 3: Cross multiply
   1,359.33x = 1,875.32 × 887.06
4. Step 4: Simplify right side
   1,359.33x = 1,663,524.94
5. Step 5: Solve for x
   x = 1,663,524.94/1,359.33
6. Step 6: Final answer
   x = 1,223.79