Finding the Fourth Proportional to 67,842.89, 93,608.19 and 39,156.45

Step by Step Solution

1. Step 1: Write the proportion equation
   67,842.89 : 93,608.19 = 39,156.45 : x
2. Step 2: Convert to fraction form
   67,842.89/93,608.19 = 39,156.45/x
3. Step 3: Cross multiply
   67,842.89x = 93,608.19 × 39,156.45
4. Step 4: Simplify right side
   67,842.89x = 3,665,364,411.33
5. Step 5: Solve for x
   x = 3,665,364,411.33/67,842.89
6. Step 6: Final answer
   x = 54,027.25