Finding the Fourth Proportional to 137,837.69, 206,659.32 and 53,527.62

Step by Step Solution

1. Step 1: Write the proportion equation
   137,837.69 : 206,659.32 = 53,527.62 : x
2. Step 2: Convert to fraction form
   137,837.69/206,659.32 = 53,527.62/x
3. Step 3: Cross multiply
   137,837.69x = 206,659.32 × 53,527.62
4. Step 4: Simplify right side
   137,837.69x = 11,061,981,550.42
5. Step 5: Solve for x
   x = 11,061,981,550.42/137,837.69
6. Step 6: Final answer
   x = 80,253.68