Finding the Fourth Proportional to 17,777.89, 24,533.73 and 9,711.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,777.89 : 24,533.73 = 9,711.91 : x
2. Step 2: Convert to fraction form
   17,777.89/24,533.73 = 9,711.91/x
3. Step 3: Cross multiply
   17,777.89x = 24,533.73 × 9,711.91
4. Step 4: Simplify right side
   17,777.89x = 238,269,377.72
5. Step 5: Solve for x
   x = 238,269,377.72/17,777.89
6. Step 6: Final answer
   x = 13,402.57