Finding the Fourth Proportional to 140,150.09, 193,404.42 and 76,488.35

Step by Step Solution

1. Step 1: Write the proportion equation
   140,150.09 : 193,404.42 = 76,488.35 : x
2. Step 2: Convert to fraction form
   140,150.09/193,404.42 = 76,488.35/x
3. Step 3: Cross multiply
   140,150.09x = 193,404.42 × 76,488.35
4. Step 4: Simplify right side
   140,150.09x = 14,793,184,001.48
5. Step 5: Solve for x
   x = 14,793,184,001.48/140,150.09
6. Step 6: Final answer
   x = 105,552.44