Finding the Fourth Proportional to 1,915.86, 2,872.27 and 1,762.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.86 : 2,872.27 = 1,762.10 : x
2. Step 2: Convert to fraction form
   1,915.86/2,872.27 = 1,762.10/x
3. Step 3: Cross multiply
   1,915.86x = 2,872.27 × 1,762.10
4. Step 4: Simplify right side
   1,915.86x = 5,061,220.62
5. Step 5: Solve for x
   x = 5,061,220.62/1,915.86
6. Step 6: Final answer
   x = 2,641.74