Finding the Fourth Proportional to 67,200, 92,736 and 37,393.92

Step by Step Solution

1. Step 1: Write the proportion equation
   67,200 : 92,736 = 37,393.92 : x
2. Step 2: Convert to fraction form
   67,200/92,736 = 37,393.92/x
3. Step 3: Cross multiply
   67,200x = 92,736 × 37,393.92
4. Step 4: Simplify right side
   67,200x = 3,467,762,565.12
5. Step 5: Solve for x
   x = 3,467,762,565.12/67,200
6. Step 6: Final answer
   x = 51,603.61