Finding the Fourth Proportional to 140,718.42, 194,184.72 and 77,056.56

Step by Step Solution

1. Step 1: Write the proportion equation
   140,718.42 : 194,184.72 = 77,056.56 : x
2. Step 2: Convert to fraction form
   140,718.42/194,184.72 = 77,056.56/x
3. Step 3: Cross multiply
   140,718.42x = 194,184.72 × 77,056.56
4. Step 4: Simplify right side
   140,718.42x = 14,963,206,527.76
5. Step 5: Solve for x
   x = 14,963,206,527.76/140,718.42
6. Step 6: Final answer
   x = 106,334.38