Finding the Fourth Proportional to 67,105.94, 92,608.58 and 38,430.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,105.94 : 92,608.58 = 38,430.72 : x
2. Step 2: Convert to fraction form
   67,105.94/92,608.58 = 38,430.72/x
3. Step 3: Cross multiply
   67,105.94x = 92,608.58 × 38,430.72
4. Step 4: Simplify right side
   67,105.94x = 3,559,014,407.58
5. Step 5: Solve for x
   x = 3,559,014,407.58/67,105.94
6. Step 6: Final answer
   x = 53,035.76