Finding the Fourth Proportional to 140,593.72, 194,019.32 and 76,931.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,593.72 : 194,019.32 = 76,931.52 : x
2. Step 2: Convert to fraction form
   140,593.72/194,019.32 = 76,931.52/x
3. Step 3: Cross multiply
   140,593.72x = 194,019.32 × 76,931.52
4. Step 4: Simplify right side
   140,593.72x = 14,926,201,196.97
5. Step 5: Solve for x
   x = 14,926,201,196.97/140,593.72
6. Step 6: Final answer
   x = 106,165.49