Finding the Fourth Proportional to 210,332.38, 315,498.56 and 111,813.34

Step by Step Solution

1. Step 1: Write the proportion equation
   210,332.38 : 315,498.56 = 111,813.34 : x
2. Step 2: Convert to fraction form
   210,332.38/315,498.56 = 111,813.34/x
3. Step 3: Cross multiply
   210,332.38x = 315,498.56 × 111,813.34
4. Step 4: Simplify right side
   210,332.38x = 35,276,947,758.79
5. Step 5: Solve for x
   x = 35,276,947,758.79/210,332.38
6. Step 6: Final answer
   x = 167,720.00