Finding the Fourth Proportional to 492,341.30, 738,501.15 and 137,345.30

Step by Step Solution

1. Step 1: Write the proportion equation
   492,341.30 : 738,501.15 = 137,345.30 : x
2. Step 2: Convert to fraction form
   492,341.30/738,501.15 = 137,345.30/x
3. Step 3: Cross multiply
   492,341.30x = 738,501.15 × 137,345.30
4. Step 4: Simplify right side
   492,341.30x = 101,429,661,997.10
5. Step 5: Solve for x
   x = 101,429,661,997.10/492,341.30
6. Step 6: Final answer
   x = 206,014.94