Finding the Fourth Proportional to 1,549.94, 2,139.03 and 887.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,549.94 : 2,139.03 = 887.00 : x
2. Step 2: Convert to fraction form
   1,549.94/2,139.03 = 887.00/x
3. Step 3: Cross multiply
   1,549.94x = 2,139.03 × 887.00
4. Step 4: Simplify right side
   1,549.94x = 1,897,308.91
5. Step 5: Solve for x
   x = 1,897,308.91/1,549.94
6. Step 6: Final answer
   x = 1,224.12