Finding the Fourth Proportional to 42,012, 57,977.78 and 23,150.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012 : 57,977.78 = 23,150.34 : x
2. Step 2: Convert to fraction form
   42,012/57,977.78 = 23,150.34/x
3. Step 3: Cross multiply
   42,012x = 57,977.78 × 23,150.34
4. Step 4: Simplify right side
   42,012x = 1,342,205,203.69
5. Step 5: Solve for x
   x = 1,342,205,203.69/42,012
6. Step 6: Final answer
   x = 31,948.14