Finding the Fourth Proportional to 1,404.52, 1,938.22 and 783.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.52 : 1,938.22 = 783.52 : x
2. Step 2: Convert to fraction form
   1,404.52/1,938.22 = 783.52/x
3. Step 3: Cross multiply
   1,404.52x = 1,938.22 × 783.52
4. Step 4: Simplify right side
   1,404.52x = 1,518,634.13
5. Step 5: Solve for x
   x = 1,518,634.13/1,404.52
6. Step 6: Final answer
   x = 1,081.25