Finding the Fourth Proportional to 23,300.88, 34,920.06 and 11,436.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,300.88 : 34,920.06 = 11,436.54 : x
2. Step 2: Convert to fraction form
   23,300.88/34,920.06 = 11,436.54/x
3. Step 3: Cross multiply
   23,300.88x = 34,920.06 × 11,436.54
4. Step 4: Simplify right side
   23,300.88x = 399,364,662.99
5. Step 5: Solve for x
   x = 399,364,662.99/23,300.88
6. Step 6: Final answer
   x = 17,139.47