Finding the Fourth Proportional to 42,012.98, 57,977.25 and 23,150.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012.98 : 57,977.25 = 23,150.78 : x
2. Step 2: Convert to fraction form
   42,012.98/57,977.25 = 23,150.78/x
3. Step 3: Cross multiply
   42,012.98x = 57,977.25 × 23,150.78
4. Step 4: Simplify right side
   42,012.98x = 1,342,218,559.76
5. Step 5: Solve for x
   x = 1,342,218,559.76/42,012.98
6. Step 6: Final answer
   x = 31,947.71