Finding the Fourth Proportional to 51,196.88, 76,789.56 and 14,263.76

Step by Step Solution

1. Step 1: Write the proportion equation
   51,196.88 : 76,789.56 = 14,263.76 : x
2. Step 2: Convert to fraction form
   51,196.88/76,789.56 = 14,263.76/x
3. Step 3: Cross multiply
   51,196.88x = 76,789.56 × 14,263.76
4. Step 4: Simplify right side
   51,196.88x = 1,095,307,854.35
5. Step 5: Solve for x
   x = 1,095,307,854.35/51,196.88
6. Step 6: Final answer
   x = 21,394.04