Finding the Fourth Proportional to 42,026.60, 57,996.71 and 22,906.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,026.60 : 57,996.71 = 22,906.40 : x
2. Step 2: Convert to fraction form
   42,026.60/57,996.71 = 22,906.40/x
3. Step 3: Cross multiply
   42,026.60x = 57,996.71 × 22,906.40
4. Step 4: Simplify right side
   42,026.60x = 1,328,495,519.33
5. Step 5: Solve for x
   x = 1,328,495,519.33/42,026.60
6. Step 6: Final answer
   x = 31,610.82