Finding the Fourth Proportional to 22,933.31, 34,405.38 and 7,137.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,933.31 : 34,405.38 = 7,137.60 : x
2. Step 2: Convert to fraction form
   22,933.31/34,405.38 = 7,137.60/x
3. Step 3: Cross multiply
   22,933.31x = 34,405.38 × 7,137.60
4. Step 4: Simplify right side
   22,933.31x = 245,571,840.29
5. Step 5: Solve for x
   x = 245,571,840.29/22,933.31
6. Step 6: Final answer
   x = 10,708.09