Finding the Fourth Proportional to 9,276.98, 12,802.89 and 5,742.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,276.98 : 12,802.89 = 5,742.23 : x
2. Step 2: Convert to fraction form
   9,276.98/12,802.89 = 5,742.23/x
3. Step 3: Cross multiply
   9,276.98x = 12,802.89 × 5,742.23
4. Step 4: Simplify right side
   9,276.98x = 73,517,139.04
5. Step 5: Solve for x
   x = 73,517,139.04/9,276.98
6. Step 6: Final answer
   x = 7,924.68