Finding the Fourth Proportional to 11,493.34, 15,861.60 and 7,722.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,493.34 : 15,861.60 = 7,722.82 : x
2. Step 2: Convert to fraction form
   11,493.34/15,861.60 = 7,722.82/x
3. Step 3: Cross multiply
   11,493.34x = 15,861.60 × 7,722.82
4. Step 4: Simplify right side
   11,493.34x = 122,496,281.71
5. Step 5: Solve for x
   x = 122,496,281.71/11,493.34
6. Step 6: Final answer
   x = 10,658.02