Finding the Fourth Proportional to 22,501.42, 31,052.78 and 13,069.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,501.42 : 31,052.78 = 13,069.51 : x
2. Step 2: Convert to fraction form
   22,501.42/31,052.78 = 13,069.51/x
3. Step 3: Cross multiply
   22,501.42x = 31,052.78 × 13,069.51
4. Step 4: Simplify right side
   22,501.42x = 405,844,618.74
5. Step 5: Solve for x
   x = 405,844,618.74/22,501.42
6. Step 6: Final answer
   x = 18,036.40