Finding the Fourth Proportional to 67,413.72, 93,030.20 and 37,200.31

Step by Step Solution

1. Step 1: Write the proportion equation
   67,413.72 : 93,030.20 = 37,200.31 : x
2. Step 2: Convert to fraction form
   67,413.72/93,030.20 = 37,200.31/x
3. Step 3: Cross multiply
   67,413.72x = 93,030.20 × 37,200.31
4. Step 4: Simplify right side
   67,413.72x = 3,460,752,279.36
5. Step 5: Solve for x
   x = 3,460,752,279.36/67,413.72
6. Step 6: Final answer
   x = 51,336.02