Finding the Fourth Proportional to 3,499.51, 5,240.93 and 1,915.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.51 : 5,240.93 = 1,915.87 : x
2. Step 2: Convert to fraction form
   3,499.51/5,240.93 = 1,915.87/x
3. Step 3: Cross multiply
   3,499.51x = 5,240.93 × 1,915.87
4. Step 4: Simplify right side
   3,499.51x = 10,040,958.61
5. Step 5: Solve for x
   x = 10,040,958.61/3,499.51
6. Step 6: Final answer
   x = 2,869.25