Finding the Fourth Proportional to 105,794.88, 146,037.59 and 71,818.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,794.88 : 146,037.59 = 71,818.56 : x
2. Step 2: Convert to fraction form
   105,794.88/146,037.59 = 71,818.56/x
3. Step 3: Cross multiply
   105,794.88x = 146,037.59 × 71,818.56
4. Step 4: Simplify right side
   105,794.88x = 10,488,209,060.58
5. Step 5: Solve for x
   x = 10,488,209,060.58/105,794.88
6. Step 6: Final answer
   x = 99,137.21