Finding the Fourth Proportional to 42,015.12, 57,981.90 and 23,152.26

Step by Step Solution

1. Step 1: Write the proportion equation
   42,015.12 : 57,981.90 = 23,152.26 : x
2. Step 2: Convert to fraction form
   42,015.12/57,981.90 = 23,152.26/x
3. Step 3: Cross multiply
   42,015.12x = 57,981.90 × 23,152.26
4. Step 4: Simplify right side
   42,015.12x = 1,342,412,024.09
5. Step 5: Solve for x
   x = 1,342,412,024.09/42,015.12
6. Step 6: Final answer
   x = 31,950.69