Finding the Fourth Proportional to 132,499.68, 182,789.25 and 78,754.16

Step by Step Solution

1. Step 1: Write the proportion equation
   132,499.68 : 182,789.25 = 78,754.16 : x
2. Step 2: Convert to fraction form
   132,499.68/182,789.25 = 78,754.16/x
3. Step 3: Cross multiply
   132,499.68x = 182,789.25 × 78,754.16
4. Step 4: Simplify right side
   132,499.68x = 14,395,412,926.83
5. Step 5: Solve for x
   x = 14,395,412,926.83/132,499.68
6. Step 6: Final answer
   x = 108,644.89