Finding the Fourth Proportional to 67,748.40, 93,491.52 and 40,892.04

Step by Step Solution

1. Step 1: Write the proportion equation
   67,748.40 : 93,491.52 = 40,892.04 : x
2. Step 2: Convert to fraction form
   67,748.40/93,491.52 = 40,892.04/x
3. Step 3: Cross multiply
   67,748.40x = 93,491.52 × 40,892.04
4. Step 4: Simplify right side
   67,748.40x = 3,823,058,975.50
5. Step 5: Solve for x
   x = 3,823,058,975.50/67,748.40
6. Step 6: Final answer
   x = 56,430.25