Finding the Fourth Proportional to 2,300.60, 3,451.01 and 657.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.60 : 3,451.01 = 657.18 : x
2. Step 2: Convert to fraction form
   2,300.60/3,451.01 = 657.18/x
3. Step 3: Cross multiply
   2,300.60x = 3,451.01 × 657.18
4. Step 4: Simplify right side
   2,300.60x = 2,267,931.47
5. Step 5: Solve for x
   x = 2,267,931.47/2,300.60
6. Step 6: Final answer
   x = 985.80