Finding the Fourth Proportional to 42,014.69, 57,980.16 and 23,151.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,014.69 : 57,980.16 = 23,151.81 : x
2. Step 2: Convert to fraction form
   42,014.69/57,980.16 = 23,151.81/x
3. Step 3: Cross multiply
   42,014.69x = 57,980.16 × 23,151.81
4. Step 4: Simplify right side
   42,014.69x = 1,342,345,648.09
5. Step 5: Solve for x
   x = 1,342,345,648.09/42,014.69
6. Step 6: Final answer
   x = 31,949.44