Finding the Fourth Proportional to 1,667.76, 2,300.22 and 1,108.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.76 : 2,300.22 = 1,108.05 : x
2. Step 2: Convert to fraction form
   1,667.76/2,300.22 = 1,108.05/x
3. Step 3: Cross multiply
   1,667.76x = 2,300.22 × 1,108.05
4. Step 4: Simplify right side
   1,667.76x = 2,548,758.77
5. Step 5: Solve for x
   x = 2,548,758.77/1,667.76
6. Step 6: Final answer
   x = 1,528.25