Finding the Fourth Proportional to 1,359.71, 1,875.65 and 887.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.71 : 1,875.65 = 887.01 : x
2. Step 2: Convert to fraction form
   1,359.71/1,875.65 = 887.01/x
3. Step 3: Cross multiply
   1,359.71x = 1,875.65 × 887.01
4. Step 4: Simplify right side
   1,359.71x = 1,663,720.31
5. Step 5: Solve for x
   x = 1,663,720.31/1,359.71
6. Step 6: Final answer
   x = 1,223.58