Finding the Fourth Proportional to 130,063.86, 195,081.60 and 88,212.78

Step by Step Solution

1. Step 1: Write the proportion equation
   130,063.86 : 195,081.60 = 88,212.78 : x
2. Step 2: Convert to fraction form
   130,063.86/195,081.60 = 88,212.78/x
3. Step 3: Cross multiply
   130,063.86x = 195,081.60 × 88,212.78
4. Step 4: Simplify right side
   130,063.86x = 17,208,690,262.85
5. Step 5: Solve for x
   x = 17,208,690,262.85/130,063.86
6. Step 6: Final answer
   x = 132,309.55