Finding the Fourth Proportional to 10,601.75, 15,905.20 and 7,487.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,601.75 : 15,905.20 = 7,487.83 : x
2. Step 2: Convert to fraction form
   10,601.75/15,905.20 = 7,487.83/x
3. Step 3: Cross multiply
   10,601.75x = 15,905.20 × 7,487.83
4. Step 4: Simplify right side
   10,601.75x = 119,095,433.72
5. Step 5: Solve for x
   x = 119,095,433.72/10,601.75
6. Step 6: Final answer
   x = 11,233.56