Finding the Fourth Proportional to 1,922.72, 2,883.84 and 1,307.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922.72 : 2,883.84 = 1,307.52 : x
2. Step 2: Convert to fraction form
   1,922.72/2,883.84 = 1,307.52/x
3. Step 3: Cross multiply
   1,922.72x = 2,883.84 × 1,307.52
4. Step 4: Simplify right side
   1,922.72x = 3,770,678.48
5. Step 5: Solve for x
   x = 3,770,678.48/1,922.72
6. Step 6: Final answer
   x = 1,961.12