Finding the Fourth Proportional to 23,111.99, 34,673.21 and 7,317.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.99 : 34,673.21 = 7,317.98 : x
2. Step 2: Convert to fraction form
   23,111.99/34,673.21 = 7,317.98/x
3. Step 3: Cross multiply
   23,111.99x = 34,673.21 × 7,317.98
4. Step 4: Simplify right side
   23,111.99x = 253,737,820.73
5. Step 5: Solve for x
   x = 253,737,820.73/23,111.99
6. Step 6: Final answer
   x = 10,978.62