Finding the Fourth Proportional to 2,632.06, 3,948.00 and 783.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.06 : 3,948.00 = 783.18 : x
2. Step 2: Convert to fraction form
   2,632.06/3,948.00 = 783.18/x
3. Step 3: Cross multiply
   2,632.06x = 3,948.00 × 783.18
4. Step 4: Simplify right side
   2,632.06x = 3,091,990.72
5. Step 5: Solve for x
   x = 3,091,990.72/2,632.06
6. Step 6: Final answer
   x = 1,174.74