Finding the Fourth Proportional to 132,595.89, 182,967.31 and 78,144.70

Step by Step Solution

1. Step 1: Write the proportion equation
   132,595.89 : 182,967.31 = 78,144.70 : x
2. Step 2: Convert to fraction form
   132,595.89/182,967.31 = 78,144.70/x
3. Step 3: Cross multiply
   132,595.89x = 182,967.31 × 78,144.70
4. Step 4: Simplify right side
   132,595.89x = 14,297,925,093.52
5. Step 5: Solve for x
   x = 14,297,925,093.52/132,595.89
6. Step 6: Final answer
   x = 107,830.83