Finding the Fourth Proportional to 22,655.15, 34,004.34 and 13,907.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,655.15 : 34,004.34 = 13,907.15 : x
2. Step 2: Convert to fraction form
   22,655.15/34,004.34 = 13,907.15/x
3. Step 3: Cross multiply
   22,655.15x = 34,004.34 × 13,907.15
4. Step 4: Simplify right side
   22,655.15x = 472,903,287.01
5. Step 5: Solve for x
   x = 472,903,287.01/22,655.15
6. Step 6: Final answer
   x = 20,873.99