Finding the Fourth Proportional to 42,010.17, 57,972.78 and 23,147.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,010.17 : 57,972.78 = 23,147.34 : x
2. Step 2: Convert to fraction form
   42,010.17/57,972.78 = 23,147.34/x
3. Step 3: Cross multiply
   42,010.17x = 57,972.78 × 23,147.34
4. Step 4: Simplify right side
   42,010.17x = 1,341,915,649.41
5. Step 5: Solve for x
   x = 1,341,915,649.41/42,010.17
6. Step 6: Final answer
   x = 31,942.64