Finding the Fourth Proportional to 40,053.25, 55,271.32 and 22,147.21

Step by Step Solution

1. Step 1: Write the proportion equation
   40,053.25 : 55,271.32 = 22,147.21 : x
2. Step 2: Convert to fraction form
   40,053.25/55,271.32 = 22,147.21/x
3. Step 3: Cross multiply
   40,053.25x = 55,271.32 × 22,147.21
4. Step 4: Simplify right side
   40,053.25x = 1,224,105,531.02
5. Step 5: Solve for x
   x = 1,224,105,531.02/40,053.25
6. Step 6: Final answer
   x = 30,561.95