Finding the Fourth Proportional to 2,071.15, 3,106.62 and 610.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.15 : 3,106.62 = 610.25 : x
2. Step 2: Convert to fraction form
   2,071.15/3,106.62 = 610.25/x
3. Step 3: Cross multiply
   2,071.15x = 3,106.62 × 610.25
4. Step 4: Simplify right side
   2,071.15x = 1,895,799.32
5. Step 5: Solve for x
   x = 1,895,799.32/2,071.15
6. Step 6: Final answer
   x = 915.34