Finding the Fourth Proportional to 112,429.20, 168,595.79 and 65,076.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,429.20 : 168,595.79 = 65,076.98 : x
2. Step 2: Convert to fraction form
   112,429.20/168,595.79 = 65,076.98/x
3. Step 3: Cross multiply
   112,429.20x = 168,595.79 × 65,076.98
4. Step 4: Simplify right side
   112,429.20x = 10,971,704,550.75
5. Step 5: Solve for x
   x = 10,971,704,550.75/112,429.20
6. Step 6: Final answer
   x = 97,587.68