Finding the Fourth Proportional to 1,965.47, 2,947.79 and 1,088.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.47 : 2,947.79 = 1,088.82 : x
2. Step 2: Convert to fraction form
   1,965.47/2,947.79 = 1,088.82/x
3. Step 3: Cross multiply
   1,965.47x = 2,947.79 × 1,088.82
4. Step 4: Simplify right side
   1,965.47x = 3,209,615.43
5. Step 5: Solve for x
   x = 3,209,615.43/1,965.47
6. Step 6: Final answer
   x = 1,633.01