Finding the Fourth Proportional to 140,698.63, 194,162.64 and 76,166.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,698.63 : 194,162.64 = 76,166.42 : x
2. Step 2: Convert to fraction form
   140,698.63/194,162.64 = 76,166.42/x
3. Step 3: Cross multiply
   140,698.63x = 194,162.64 × 76,166.42
4. Step 4: Simplify right side
   140,698.63x = 14,788,672,805.72
5. Step 5: Solve for x
   x = 14,788,672,805.72/140,698.63
6. Step 6: Final answer
   x = 105,108.86