Finding the Fourth Proportional to 140,653.32, 194,103.72 and 76,997.04

Step by Step Solution

1. Step 1: Write the proportion equation
   140,653.32 : 194,103.72 = 76,997.04 : x
2. Step 2: Convert to fraction form
   140,653.32/194,103.72 = 76,997.04/x
3. Step 3: Cross multiply
   140,653.32x = 194,103.72 × 76,997.04
4. Step 4: Simplify right side
   140,653.32x = 14,945,411,892.99
5. Step 5: Solve for x
   x = 14,945,411,892.99/140,653.32
6. Step 6: Final answer
   x = 106,257.09