Finding the Fourth Proportional to 56,078.28, 83,996.82 and 26,451.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,078.28 : 83,996.82 = 26,451.72 : x
2. Step 2: Convert to fraction form
   56,078.28/83,996.82 = 26,451.72/x
3. Step 3: Cross multiply
   56,078.28x = 83,996.82 × 26,451.72
4. Step 4: Simplify right side
   56,078.28x = 2,221,860,363.53
5. Step 5: Solve for x
   x = 2,221,860,363.53/56,078.28
6. Step 6: Final answer
   x = 39,620.69