Finding the Fourth Proportional to 1,062.50, 1,465.61 and 668.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.50 : 1,465.61 = 668.84 : x
2. Step 2: Convert to fraction form
   1,062.50/1,465.61 = 668.84/x
3. Step 3: Cross multiply
   1,062.50x = 1,465.61 × 668.84
4. Step 4: Simplify right side
   1,062.50x = 980,258.59
5. Step 5: Solve for x
   x = 980,258.59/1,062.50
6. Step 6: Final answer
   x = 922.60