Finding the Fourth Proportional to 2,261.78, 3,117.81 and 1,632.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.78 : 3,117.81 = 1,632.02 : x
2. Step 2: Convert to fraction form
   2,261.78/3,117.81 = 1,632.02/x
3. Step 3: Cross multiply
   2,261.78x = 3,117.81 × 1,632.02
4. Step 4: Simplify right side
   2,261.78x = 5,088,328.28
5. Step 5: Solve for x
   x = 5,088,328.28/2,261.78
6. Step 6: Final answer
   x = 2,249.70