Finding the Fourth Proportional to 140,333.86, 193,658.46 and 76,670.29

Step by Step Solution

1. Step 1: Write the proportion equation
   140,333.86 : 193,658.46 = 76,670.29 : x
2. Step 2: Convert to fraction form
   140,333.86/193,658.46 = 76,670.29/x
3. Step 3: Cross multiply
   140,333.86x = 193,658.46 × 76,670.29
4. Step 4: Simplify right side
   140,333.86x = 14,847,849,320.86
5. Step 5: Solve for x
   x = 14,847,849,320.86/140,333.86
6. Step 6: Final answer
   x = 105,803.76