Finding the Fourth Proportional to 11,562.55, 17,321.41 and 7,601.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,562.55 : 17,321.41 = 7,601.86 : x
2. Step 2: Convert to fraction form
   11,562.55/17,321.41 = 7,601.86/x
3. Step 3: Cross multiply
   11,562.55x = 17,321.41 × 7,601.86
4. Step 4: Simplify right side
   11,562.55x = 131,674,964.98
5. Step 5: Solve for x
   x = 131,674,964.98/11,562.55
6. Step 6: Final answer
   x = 11,388.06