Finding the Fourth Proportional to 1,670.01, 2,304.32 and 971.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670.01 : 2,304.32 = 971.25 : x
2. Step 2: Convert to fraction form
   1,670.01/2,304.32 = 971.25/x
3. Step 3: Cross multiply
   1,670.01x = 2,304.32 × 971.25
4. Step 4: Simplify right side
   1,670.01x = 2,238,065.94
5. Step 5: Solve for x
   x = 2,238,065.94/1,670.01
6. Step 6: Final answer
   x = 1,340.15