Finding the Fourth Proportional to 1,164.34, 1,606.79 and 667.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.34 : 1,606.79 = 667.00 : x
2. Step 2: Convert to fraction form
   1,164.34/1,606.79 = 667.00/x
3. Step 3: Cross multiply
   1,164.34x = 1,606.79 × 667.00
4. Step 4: Simplify right side
   1,164.34x = 1,071,726.58
5. Step 5: Solve for x
   x = 1,071,726.58/1,164.34
6. Step 6: Final answer
   x = 920.46