Finding the Fourth Proportional to 1,916.52, 2,861.79 and 1,522.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.52 : 2,861.79 = 1,522.10 : x
2. Step 2: Convert to fraction form
   1,916.52/2,861.79 = 1,522.10/x
3. Step 3: Cross multiply
   1,916.52x = 2,861.79 × 1,522.10
4. Step 4: Simplify right side
   1,916.52x = 4,355,916.25
5. Step 5: Solve for x
   x = 4,355,916.25/1,916.52
6. Step 6: Final answer
   x = 2,272.83