Finding the Fourth Proportional to 307,426.50, 424,248.57 and 166,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   307,426.50 : 424,248.57 = 166,114.50 : x
2. Step 2: Convert to fraction form
   307,426.50/424,248.57 = 166,114.50/x
3. Step 3: Cross multiply
   307,426.50x = 424,248.57 × 166,114.50
4. Step 4: Simplify right side
   307,426.50x = 70,473,839,081.27
5. Step 5: Solve for x
   x = 70,473,839,081.27/307,426.50
6. Step 6: Final answer
   x = 229,238.01