Finding the Fourth Proportional to 2,191.92, 3,024.78 and 1,307.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.92 : 3,024.78 = 1,307.52 : x
2. Step 2: Convert to fraction form
   2,191.92/3,024.78 = 1,307.52/x
3. Step 3: Cross multiply
   2,191.92x = 3,024.78 × 1,307.52
4. Step 4: Simplify right side
   2,191.92x = 3,954,960.35
5. Step 5: Solve for x
   x = 3,954,960.35/2,191.92
6. Step 6: Final answer
   x = 1,804.34