Finding the Fourth Proportional to 39,167.89, 54,045.98 and 22,397.65

Step by Step Solution

1. Step 1: Write the proportion equation
   39,167.89 : 54,045.98 = 22,397.65 : x
2. Step 2: Convert to fraction form
   39,167.89/54,045.98 = 22,397.65/x
3. Step 3: Cross multiply
   39,167.89x = 54,045.98 × 22,397.65
4. Step 4: Simplify right side
   39,167.89x = 1,210,502,673.72
5. Step 5: Solve for x
   x = 1,210,502,673.72/39,167.89
6. Step 6: Final answer
   x = 30,905.49