Finding the Fourth Proportional to 40,051.76, 55,272.72 and 22,147.36

Step by Step Solution

1. Step 1: Write the proportion equation
   40,051.76 : 55,272.72 = 22,147.36 : x
2. Step 2: Convert to fraction form
   40,051.76/55,272.72 = 22,147.36/x
3. Step 3: Cross multiply
   40,051.76x = 55,272.72 × 22,147.36
4. Step 4: Simplify right side
   40,051.76x = 1,224,144,828.02
5. Step 5: Solve for x
   x = 1,224,144,828.02/40,051.76
6. Step 6: Final answer
   x = 30,564.07