Finding the Fourth Proportional to 2,191.62, 3,023.94 and 1,307.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.62 : 3,023.94 = 1,307.25 : x
2. Step 2: Convert to fraction form
   2,191.62/3,023.94 = 1,307.25/x
3. Step 3: Cross multiply
   2,191.62x = 3,023.94 × 1,307.25
4. Step 4: Simplify right side
   2,191.62x = 3,953,045.57
5. Step 5: Solve for x
   x = 3,953,045.57/2,191.62
6. Step 6: Final answer
   x = 1,803.71