Finding the Fourth Proportional to 35,238.72, 52,864.56 and 28,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,238.72 : 52,864.56 = 28,722.72 : x
2. Step 2: Convert to fraction form
   35,238.72/52,864.56 = 28,722.72/x
3. Step 3: Cross multiply
   35,238.72x = 52,864.56 × 28,722.72
4. Step 4: Simplify right side
   35,238.72x = 1,518,413,954.80
5. Step 5: Solve for x
   x = 1,518,413,954.80/35,238.72
6. Step 6: Final answer
   x = 43,089.36