Finding the Fourth Proportional to 65,793.78, 99,054.68 and 45,152.82

Step by Step Solution

1. Step 1: Write the proportion equation
   65,793.78 : 99,054.68 = 45,152.82 : x
2. Step 2: Convert to fraction form
   65,793.78/99,054.68 = 45,152.82/x
3. Step 3: Cross multiply
   65,793.78x = 99,054.68 × 45,152.82
4. Step 4: Simplify right side
   65,793.78x = 4,472,597,910.43
5. Step 5: Solve for x
   x = 4,472,597,910.43/65,793.78
6. Step 6: Final answer
   x = 67,979.04