Finding the Fourth Proportional to 72,429.76, 108,635.41 and 28,026.14

Step by Step Solution

1. Step 1: Write the proportion equation
   72,429.76 : 108,635.41 = 28,026.14 : x
2. Step 2: Convert to fraction form
   72,429.76/108,635.41 = 28,026.14/x
3. Step 3: Cross multiply
   72,429.76x = 108,635.41 × 28,026.14
4. Step 4: Simplify right side
   72,429.76x = 3,044,630,701.47
5. Step 5: Solve for x
   x = 3,044,630,701.47/72,429.76
6. Step 6: Final answer
   x = 42,035.63