Finding the Fourth Proportional to 1,411.01, 1,947.12 and 781.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.01 : 1,947.12 = 781.52 : x
2. Step 2: Convert to fraction form
   1,411.01/1,947.12 = 781.52/x
3. Step 3: Cross multiply
   1,411.01x = 1,947.12 × 781.52
4. Step 4: Simplify right side
   1,411.01x = 1,521,713.22
5. Step 5: Solve for x
   x = 1,521,713.22/1,411.01
6. Step 6: Final answer
   x = 1,078.46