Finding the Fourth Proportional to 67,399.80, 101,172.60 and 37,875.30

Step by Step Solution

1. Step 1: Write the proportion equation
   67,399.80 : 101,172.60 = 37,875.30 : x
2. Step 2: Convert to fraction form
   67,399.80/101,172.60 = 37,875.30/x
3. Step 3: Cross multiply
   67,399.80x = 101,172.60 × 37,875.30
4. Step 4: Simplify right side
   67,399.80x = 3,831,942,576.78
5. Step 5: Solve for x
   x = 3,831,942,576.78/67,399.80
6. Step 6: Final answer
   x = 56,853.92