Finding the Fourth Proportional to 23,109.80, 34,701.15 and 13,268.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109.80 : 34,701.15 = 13,268.30 : x
2. Step 2: Convert to fraction form
   23,109.80/34,701.15 = 13,268.30/x
3. Step 3: Cross multiply
   23,109.80x = 34,701.15 × 13,268.30
4. Step 4: Simplify right side
   23,109.80x = 460,425,268.55
5. Step 5: Solve for x
   x = 460,425,268.55/23,109.80
6. Step 6: Final answer
   x = 19,923.38