Finding the Fourth Proportional to 1,667.02, 2,301.17 and 1,137.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.02 : 2,301.17 = 1,137.65 : x
2. Step 2: Convert to fraction form
   1,667.02/2,301.17 = 1,137.65/x
3. Step 3: Cross multiply
   1,667.02x = 2,301.17 × 1,137.65
4. Step 4: Simplify right side
   1,667.02x = 2,617,926.05
5. Step 5: Solve for x
   x = 2,617,926.05/1,667.02
6. Step 6: Final answer
   x = 1,570.42