Finding the Fourth Proportional to 9,258.04, 12,776.34 and 5,720.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.04 : 12,776.34 = 5,720.92 : x
2. Step 2: Convert to fraction form
   9,258.04/12,776.34 = 5,720.92/x
3. Step 3: Cross multiply
   9,258.04x = 12,776.34 × 5,720.92
4. Step 4: Simplify right side
   9,258.04x = 73,092,419.03
5. Step 5: Solve for x
   x = 73,092,419.03/9,258.04
6. Step 6: Final answer
   x = 7,895.02