Finding the Fourth Proportional to 2,092.50, 2,888.46 and 1,928.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.50 : 2,888.46 = 1,928.88 : x
2. Step 2: Convert to fraction form
   2,092.50/2,888.46 = 1,928.88/x
3. Step 3: Cross multiply
   2,092.50x = 2,888.46 × 1,928.88
4. Step 4: Simplify right side
   2,092.50x = 5,571,492.72
5. Step 5: Solve for x
   x = 5,571,492.72/2,092.50
6. Step 6: Final answer
   x = 2,662.60