Finding the Fourth Proportional to 67,385.51, 92,991.40 and 37,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,385.51 : 92,991.40 = 37,171.50 : x
2. Step 2: Convert to fraction form
   67,385.51/92,991.40 = 37,171.50/x
3. Step 3: Cross multiply
   67,385.51x = 92,991.40 × 37,171.50
4. Step 4: Simplify right side
   67,385.51x = 3,456,629,825.10
5. Step 5: Solve for x
   x = 3,456,629,825.10/67,385.51
6. Step 6: Final answer
   x = 51,296.34