Finding the Fourth Proportional to 14,003.55, 19,324.82 and 7,715.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,003.55 : 19,324.82 = 7,715.91 : x
2. Step 2: Convert to fraction form
   14,003.55/19,324.82 = 7,715.91/x
3. Step 3: Cross multiply
   14,003.55x = 19,324.82 × 7,715.91
4. Step 4: Simplify right side
   14,003.55x = 149,108,533.31
5. Step 5: Solve for x
   x = 149,108,533.31/14,003.55
6. Step 6: Final answer
   x = 10,647.91