Finding the Fourth Proportional to 9,341.56, 12,890.85 and 5,362.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.56 : 12,890.85 = 5,362.57 : x
2. Step 2: Convert to fraction form
   9,341.56/12,890.85 = 5,362.57/x
3. Step 3: Cross multiply
   9,341.56x = 12,890.85 × 5,362.57
4. Step 4: Simplify right side
   9,341.56x = 69,128,085.48
5. Step 5: Solve for x
   x = 69,128,085.48/9,341.56
6. Step 6: Final answer
   x = 7,400.06