Finding the Fourth Proportional to 4,928.52, 7,386.20 and 1,805.60

Step by Step Solution

1. Step 1: Write the proportion equation
   4,928.52 : 7,386.20 = 1,805.60 : x
2. Step 2: Convert to fraction form
   4,928.52/7,386.20 = 1,805.60/x
3. Step 3: Cross multiply
   4,928.52x = 7,386.20 × 1,805.60
4. Step 4: Simplify right side
   4,928.52x = 13,336,522.72
5. Step 5: Solve for x
   x = 13,336,522.72/4,928.52
6. Step 6: Final answer
   x = 2,705.99