Finding the Fourth Proportional to 1,200.06, 1,655.61 and 886.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.06 : 1,655.61 = 886.08 : x
2. Step 2: Convert to fraction form
   1,200.06/1,655.61 = 886.08/x
3. Step 3: Cross multiply
   1,200.06x = 1,655.61 × 886.08
4. Step 4: Simplify right side
   1,200.06x = 1,467,002.91
5. Step 5: Solve for x
   x = 1,467,002.91/1,200.06
6. Step 6: Final answer
   x = 1,222.44