Finding the Fourth Proportional to 2,567.39, 3,851.10 and 619.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567.39 : 3,851.10 = 619.61 : x
2. Step 2: Convert to fraction form
   2,567.39/3,851.10 = 619.61/x
3. Step 3: Cross multiply
   2,567.39x = 3,851.10 × 619.61
4. Step 4: Simplify right side
   2,567.39x = 2,386,160.82
5. Step 5: Solve for x
   x = 2,386,160.82/2,567.39
6. Step 6: Final answer
   x = 929.41