Finding the Fourth Proportional to 22,556.32, 31,137.32 and 14,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,556.32 : 31,137.32 = 14,062.72 : x
2. Step 2: Convert to fraction form
   22,556.32/31,137.32 = 14,062.72/x
3. Step 3: Cross multiply
   22,556.32x = 31,137.32 × 14,062.72
4. Step 4: Simplify right side
   22,556.32x = 437,875,412.71
5. Step 5: Solve for x
   x = 437,875,412.71/22,556.32
6. Step 6: Final answer
   x = 19,412.54