Finding the Fourth Proportional to 95,018.07, 142,504.42 and 28,440.32

Step by Step Solution

1. Step 1: Write the proportion equation
   95,018.07 : 142,504.42 = 28,440.32 : x
2. Step 2: Convert to fraction form
   95,018.07/142,504.42 = 28,440.32/x
3. Step 3: Cross multiply
   95,018.07x = 142,504.42 × 28,440.32
4. Step 4: Simplify right side
   95,018.07x = 4,052,871,306.21
5. Step 5: Solve for x
   x = 4,052,871,306.21/95,018.07
6. Step 6: Final answer
   x = 42,653.69