Finding the Fourth Proportional to 3,094.42, 4,269.86 and 1,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,094.42 : 4,269.86 = 1,915.50 : x
2. Step 2: Convert to fraction form
   3,094.42/4,269.86 = 1,915.50/x
3. Step 3: Cross multiply
   3,094.42x = 4,269.86 × 1,915.50
4. Step 4: Simplify right side
   3,094.42x = 8,178,916.83
5. Step 5: Solve for x
   x = 8,178,916.83/3,094.42
6. Step 6: Final answer
   x = 2,643.12