Finding the Fourth Proportional to 40,061.71, 55,283.61 and 22,156.39

Step by Step Solution

1. Step 1: Write the proportion equation
   40,061.71 : 55,283.61 = 22,156.39 : x
2. Step 2: Convert to fraction form
   40,061.71/55,283.61 = 22,156.39/x
3. Step 3: Cross multiply
   40,061.71x = 55,283.61 × 22,156.39
4. Step 4: Simplify right side
   40,061.71x = 1,224,885,223.77
5. Step 5: Solve for x
   x = 1,224,885,223.77/40,061.71
6. Step 6: Final answer
   x = 30,574.96