Finding the Fourth Proportional to 1,667.97, 2,501.99 and 572.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.97 : 2,501.99 = 572.38 : x
2. Step 2: Convert to fraction form
   1,667.97/2,501.99 = 572.38/x
3. Step 3: Cross multiply
   1,667.97x = 2,501.99 × 572.38
4. Step 4: Simplify right side
   1,667.97x = 1,432,089.04
5. Step 5: Solve for x
   x = 1,432,089.04/1,667.97
6. Step 6: Final answer
   x = 858.58