Finding the Fourth Proportional to 1,980.50, 2,734.24 and 1,515.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.50 : 2,734.24 = 1,515.62 : x
2. Step 2: Convert to fraction form
   1,980.50/2,734.24 = 1,515.62/x
3. Step 3: Cross multiply
   1,980.50x = 2,734.24 × 1,515.62
4. Step 4: Simplify right side
   1,980.50x = 4,144,068.83
5. Step 5: Solve for x
   x = 4,144,068.83/1,980.50
6. Step 6: Final answer
   x = 2,092.44