Finding the Fourth Proportional to 2,632.74, 3,946.76 and 1,245.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.74 : 3,946.76 = 1,245.21 : x
2. Step 2: Convert to fraction form
   2,632.74/3,946.76 = 1,245.21/x
3. Step 3: Cross multiply
   2,632.74x = 3,946.76 × 1,245.21
4. Step 4: Simplify right side
   2,632.74x = 4,914,545.02
5. Step 5: Solve for x
   x = 4,914,545.02/2,632.74
6. Step 6: Final answer
   x = 1,866.70