Finding the Fourth Proportional to 129,939.72, 194,752.62 and 63,279.96

Step by Step Solution

1. Step 1: Write the proportion equation
   129,939.72 : 194,752.62 = 63,279.96 : x
2. Step 2: Convert to fraction form
   129,939.72/194,752.62 = 63,279.96/x
3. Step 3: Cross multiply
   129,939.72x = 194,752.62 × 63,279.96
4. Step 4: Simplify right side
   129,939.72x = 12,323,938,003.50
5. Step 5: Solve for x
   x = 12,323,938,003.50/129,939.72
6. Step 6: Final answer
   x = 94,843.50