Finding the Fourth Proportional to 140,592.76, 194,018.22 and 76,931.02

Step by Step Solution

1. Step 1: Write the proportion equation
   140,592.76 : 194,018.22 = 76,931.02 : x
2. Step 2: Convert to fraction form
   140,592.76/194,018.22 = 76,931.02/x
3. Step 3: Cross multiply
   140,592.76x = 194,018.22 × 76,931.02
4. Step 4: Simplify right side
   140,592.76x = 14,926,019,563.18
5. Step 5: Solve for x
   x = 14,926,019,563.18/140,592.76
6. Step 6: Final answer
   x = 106,164.92