Finding the Fourth Proportional to 38,530.08, 53,150.22 and 31,367.70

Step by Step Solution

1. Step 1: Write the proportion equation
   38,530.08 : 53,150.22 = 31,367.70 : x
2. Step 2: Convert to fraction form
   38,530.08/53,150.22 = 31,367.70/x
3. Step 3: Cross multiply
   38,530.08x = 53,150.22 × 31,367.70
4. Step 4: Simplify right side
   38,530.08x = 1,667,200,155.89
5. Step 5: Solve for x
   x = 1,667,200,155.89/38,530.08
6. Step 6: Final answer
   x = 43,270.09