Finding the Fourth Proportional to 1,667.22, 2,296.86 and 1,168.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.22 : 2,296.86 = 1,168.98 : x
2. Step 2: Convert to fraction form
   1,667.22/2,296.86 = 1,168.98/x
3. Step 3: Cross multiply
   1,667.22x = 2,296.86 × 1,168.98
4. Step 4: Simplify right side
   1,667.22x = 2,684,983.40
5. Step 5: Solve for x
   x = 2,684,983.40/1,667.22
6. Step 6: Final answer
   x = 1,610.46