Finding the Fourth Proportional to 40,061.99, 55,278.96 and 22,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,061.99 : 55,278.96 = 22,153.50 : x
2. Step 2: Convert to fraction form
   40,061.99/55,278.96 = 22,153.50/x
3. Step 3: Cross multiply
   40,061.99x = 55,278.96 × 22,153.50
4. Step 4: Simplify right side
   40,061.99x = 1,224,622,357.28
5. Step 5: Solve for x
   x = 1,224,622,357.28/40,061.99
6. Step 6: Final answer
   x = 30,568.18