Finding the Fourth Proportional to 42,019.24, 57,986.58 and 23,156.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.24 : 57,986.58 = 23,156.32 : x
2. Step 2: Convert to fraction form
   42,019.24/57,986.58 = 23,156.32/x
3. Step 3: Cross multiply
   42,019.24x = 57,986.58 × 23,156.32
4. Step 4: Simplify right side
   42,019.24x = 1,342,755,802.19
5. Step 5: Solve for x
   x = 1,342,755,802.19/42,019.24
6. Step 6: Final answer
   x = 31,955.74