Finding the Fourth Proportional to 42,015.28, 57,980.73 and 23,152

Step by Step Solution

1. Step 1: Write the proportion equation
   42,015.28 : 57,980.73 = 23,152 : x
2. Step 2: Convert to fraction form
   42,015.28/57,980.73 = 23,152/x
3. Step 3: Cross multiply
   42,015.28x = 57,980.73 × 23,152
4. Step 4: Simplify right side
   42,015.28x = 1,342,369,860.96
5. Step 5: Solve for x
   x = 1,342,369,860.96/42,015.28
6. Step 6: Final answer
   x = 31,949.56