Finding the Fourth Proportional to 1,167.59, 1,611.41 and 670.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.59 : 1,611.41 = 670.25 : x
2. Step 2: Convert to fraction form
   1,167.59/1,611.41 = 670.25/x
3. Step 3: Cross multiply
   1,167.59x = 1,611.41 × 670.25
4. Step 4: Simplify right side
   1,167.59x = 1,080,036.14
5. Step 5: Solve for x
   x = 1,080,036.14/1,167.59
6. Step 6: Final answer
   x = 925.02