Finding the Fourth Proportional to 67,849.89, 93,630.63 and 40,987.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67,849.89 : 93,630.63 = 40,987.71 : x
2. Step 2: Convert to fraction form
   67,849.89/93,630.63 = 40,987.71/x
3. Step 3: Cross multiply
   67,849.89x = 93,630.63 × 40,987.71
4. Step 4: Simplify right side
   67,849.89x = 3,837,705,109.56
5. Step 5: Solve for x
   x = 3,837,705,109.56/67,849.89
6. Step 6: Final answer
   x = 56,561.70