Finding the Fourth Proportional to 152,285.86, 227,931.99 and 137,736.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,285.86 : 227,931.99 = 137,736.10 : x
2. Step 2: Convert to fraction form
   152,285.86/227,931.99 = 137,736.10/x
3. Step 3: Cross multiply
   152,285.86x = 227,931.99 × 137,736.10
4. Step 4: Simplify right side
   152,285.86x = 31,394,463,367.84
5. Step 5: Solve for x
   x = 31,394,463,367.84/152,285.86
6. Step 6: Final answer
   x = 206,154.82