Finding the Fourth Proportional to 42,022.22, 57,990.66 and 23,159.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.22 : 57,990.66 = 23,159.34 : x
2. Step 2: Convert to fraction form
   42,022.22/57,990.66 = 23,159.34/x
3. Step 3: Cross multiply
   42,022.22x = 57,990.66 × 23,159.34
4. Step 4: Simplify right side
   42,022.22x = 1,343,025,411.76
5. Step 5: Solve for x
   x = 1,343,025,411.76/42,022.22
6. Step 6: Final answer
   x = 31,959.89