Finding the Fourth Proportional to 2,531.82, 3,799.05 and 1,915.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.82 : 3,799.05 = 1,915.34 : x
2. Step 2: Convert to fraction form
   2,531.82/3,799.05 = 1,915.34/x
3. Step 3: Cross multiply
   2,531.82x = 3,799.05 × 1,915.34
4. Step 4: Simplify right side
   2,531.82x = 7,276,462.85
5. Step 5: Solve for x
   x = 7,276,462.85/2,531.82
6. Step 6: Final answer
   x = 2,874.00