Finding the Fourth Proportional to 339,032.27, 508,618.34 and 111,345.05

Step by Step Solution

1. Step 1: Write the proportion equation
   339,032.27 : 508,618.34 = 111,345.05 : x
2. Step 2: Convert to fraction form
   339,032.27/508,618.34 = 111,345.05/x
3. Step 3: Cross multiply
   339,032.27x = 508,618.34 × 111,345.05
4. Step 4: Simplify right side
   339,032.27x = 56,632,131,398.40
5. Step 5: Solve for x
   x = 56,632,131,398.40/339,032.27
6. Step 6: Final answer
   x = 167,040.54