Finding the Fourth Proportional to 3,500.61, 5,246.18 and 1,915.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.61 : 5,246.18 = 1,915.23 : x
2. Step 2: Convert to fraction form
   3,500.61/5,246.18 = 1,915.23/x
3. Step 3: Cross multiply
   3,500.61x = 5,246.18 × 1,915.23
4. Step 4: Simplify right side
   3,500.61x = 10,047,641.32
5. Step 5: Solve for x
   x = 10,047,641.32/3,500.61
6. Step 6: Final answer
   x = 2,870.25