Finding the Fourth Proportional to 67,123.30, 92,620.02 and 38,438.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,123.30 : 92,620.02 = 38,438.50 : x
2. Step 2: Convert to fraction form
   67,123.30/92,620.02 = 38,438.50/x
3. Step 3: Cross multiply
   67,123.30x = 92,620.02 × 38,438.50
4. Step 4: Simplify right side
   67,123.30x = 3,560,174,638.77
5. Step 5: Solve for x
   x = 3,560,174,638.77/67,123.30
6. Step 6: Final answer
   x = 53,039.33