Finding the Fourth Proportional to 140,849.07, 194,373.25 and 77,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,849.07 : 194,373.25 = 77,185.50 : x
2. Step 2: Convert to fraction form
   140,849.07/194,373.25 = 77,185.50/x
3. Step 3: Cross multiply
   140,849.07x = 194,373.25 × 77,185.50
4. Step 4: Simplify right side
   140,849.07x = 15,002,796,294.91
5. Step 5: Solve for x
   x = 15,002,796,294.91/140,849.07
6. Step 6: Final answer
   x = 106,516.83