Finding the Fourth Proportional to 40,060.48, 55,284.32 and 22,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,060.48 : 55,284.32 = 22,156.72 : x
2. Step 2: Convert to fraction form
   40,060.48/55,284.32 = 22,156.72/x
3. Step 3: Cross multiply
   40,060.48x = 55,284.32 × 22,156.72
4. Step 4: Simplify right side
   40,060.48x = 1,224,919,198.63
5. Step 5: Solve for x
   x = 1,224,919,198.63/40,060.48
6. Step 6: Final answer
   x = 30,576.75