Finding the Fourth Proportional to 132,927.98, 199,429.63 and 54,098.78

Step by Step Solution

1. Step 1: Write the proportion equation
   132,927.98 : 199,429.63 = 54,098.78 : x
2. Step 2: Convert to fraction form
   132,927.98/199,429.63 = 54,098.78/x
3. Step 3: Cross multiply
   132,927.98x = 199,429.63 × 54,098.78
4. Step 4: Simplify right side
   132,927.98x = 10,788,898,546.46
5. Step 5: Solve for x
   x = 10,788,898,546.46/132,927.98
6. Step 6: Final answer
   x = 81,163.49