Finding the Fourth Proportional to 1,667.23, 2,498.11 and 571.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.23 : 2,498.11 = 571.00 : x
2. Step 2: Convert to fraction form
   1,667.23/2,498.11 = 571.00/x
3. Step 3: Cross multiply
   1,667.23x = 2,498.11 × 571.00
4. Step 4: Simplify right side
   1,667.23x = 1,426,405.46
5. Step 5: Solve for x
   x = 1,426,405.46/1,667.23
6. Step 6: Final answer
   x = 855.55