Finding the Fourth Proportional to 168,185.96, 231,908.06 and 137,463.69

Step by Step Solution

1. Step 1: Write the proportion equation
   168,185.96 : 231,908.06 = 137,463.69 : x
2. Step 2: Convert to fraction form
   168,185.96/231,908.06 = 137,463.69/x
3. Step 3: Cross multiply
   168,185.96x = 231,908.06 × 137,463.69
4. Step 4: Simplify right side
   168,185.96x = 31,878,936,981.02
5. Step 5: Solve for x
   x = 31,878,936,981.02/168,185.96
6. Step 6: Final answer
   x = 189,545.77