Finding the Fourth Proportional to 1,667.93, 2,302.16 and 1,108.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.93 : 2,302.16 = 1,108.42 : x
2. Step 2: Convert to fraction form
   1,667.93/2,302.16 = 1,108.42/x
3. Step 3: Cross multiply
   1,667.93x = 2,302.16 × 1,108.42
4. Step 4: Simplify right side
   1,667.93x = 2,551,748.89
5. Step 5: Solve for x
   x = 2,551,748.89/1,667.93
6. Step 6: Final answer
   x = 1,529.89