Finding the Fourth Proportional to 307,677.14, 424,576.72 and 171,700.42

Step by Step Solution

1. Step 1: Write the proportion equation
   307,677.14 : 424,576.72 = 171,700.42 : x
2. Step 2: Convert to fraction form
   307,677.14/424,576.72 = 171,700.42/x
3. Step 3: Cross multiply
   307,677.14x = 424,576.72 × 171,700.42
4. Step 4: Simplify right side
   307,677.14x = 72,900,001,146.22
5. Step 5: Solve for x
   x = 72,900,001,146.22/307,677.14
6. Step 6: Final answer
   x = 236,936.68