Finding the Fourth Proportional to 34,175.86, 47,162.72 and 20,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,175.86 : 47,162.72 = 20,028.72 : x
2. Step 2: Convert to fraction form
   34,175.86/47,162.72 = 20,028.72/x
3. Step 3: Cross multiply
   34,175.86x = 47,162.72 × 20,028.72
4. Step 4: Simplify right side
   34,175.86x = 944,608,913.32
5. Step 5: Solve for x
   x = 944,608,913.32/34,175.86
6. Step 6: Final answer
   x = 27,639.65