Finding the Fourth Proportional to 140,446.17, 193,817.61 and 76,783.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,446.17 : 193,817.61 = 76,783.82 : x
2. Step 2: Convert to fraction form
   140,446.17/193,817.61 = 76,783.82/x
3. Step 3: Cross multiply
   140,446.17x = 193,817.61 × 76,783.82
4. Step 4: Simplify right side
   140,446.17x = 14,882,055,509.98
5. Step 5: Solve for x
   x = 14,882,055,509.98/140,446.17
6. Step 6: Final answer
   x = 105,962.70