Finding the Fourth Proportional to 1,920.52, 2,650.15 and 1,069.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.52 : 2,650.15 = 1,069.71 : x
2. Step 2: Convert to fraction form
   1,920.52/2,650.15 = 1,069.71/x
3. Step 3: Cross multiply
   1,920.52x = 2,650.15 × 1,069.71
4. Step 4: Simplify right side
   1,920.52x = 2,834,876.67
5. Step 5: Solve for x
   x = 2,834,876.67/1,920.52
6. Step 6: Final answer
   x = 1,476.10