Finding the Fourth Proportional to 56,103.60, 83,826.75 and 54,141.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,103.60 : 83,826.75 = 54,141.42 : x
2. Step 2: Convert to fraction form
   56,103.60/83,826.75 = 54,141.42/x
3. Step 3: Cross multiply
   56,103.60x = 83,826.75 × 54,141.42
4. Step 4: Simplify right side
   56,103.60x = 4,538,499,278.99
5. Step 5: Solve for x
   x = 4,538,499,278.99/56,103.60
6. Step 6: Final answer
   x = 80,894.97