Finding the Fourth Proportional to 9,238.73, 12,749.90 and 5,652.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.73 : 12,749.90 = 5,652.56 : x
2. Step 2: Convert to fraction form
   9,238.73/12,749.90 = 5,652.56/x
3. Step 3: Cross multiply
   9,238.73x = 12,749.90 × 5,652.56
4. Step 4: Simplify right side
   9,238.73x = 72,069,590.19
5. Step 5: Solve for x
   x = 72,069,590.19/9,238.73
6. Step 6: Final answer
   x = 7,800.82