Finding the Fourth Proportional to 67,572.58, 93,245.42 and 38,890.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,572.58 : 93,245.42 = 38,890.48 : x
2. Step 2: Convert to fraction form
   67,572.58/93,245.42 = 38,890.48/x
3. Step 3: Cross multiply
   67,572.58x = 93,245.42 × 38,890.48
4. Step 4: Simplify right side
   67,572.58x = 3,626,359,141.60
5. Step 5: Solve for x
   x = 3,626,359,141.60/67,572.58
6. Step 6: Final answer
   x = 53,666.13