Finding the Fourth Proportional to 1,488.07, 2,054.00 and 867.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.07 : 2,054.00 = 867.19 : x
2. Step 2: Convert to fraction form
   1,488.07/2,054.00 = 867.19/x
3. Step 3: Cross multiply
   1,488.07x = 2,054.00 × 867.19
4. Step 4: Simplify right side
   1,488.07x = 1,781,200.16
5. Step 5: Solve for x
   x = 1,781,200.16/1,488.07
6. Step 6: Final answer
   x = 1,196.99