Finding the Fourth Proportional to 67,499.72, 93,155.13 and 38,828.65

Step by Step Solution

1. Step 1: Write the proportion equation
   67,499.72 : 93,155.13 = 38,828.65 : x
2. Step 2: Convert to fraction form
   67,499.72/93,155.13 = 38,828.65/x
3. Step 3: Cross multiply
   67,499.72x = 93,155.13 × 38,828.65
4. Step 4: Simplify right side
   67,499.72x = 3,617,087,938.47
5. Step 5: Solve for x
   x = 3,617,087,938.47/67,499.72
6. Step 6: Final answer
   x = 53,586.71