Finding the Fourth Proportional to 53,996.33, 80,931.42 and 40,626.37

Step by Step Solution

1. Step 1: Write the proportion equation
   53,996.33 : 80,931.42 = 40,626.37 : x
2. Step 2: Convert to fraction form
   53,996.33/80,931.42 = 40,626.37/x
3. Step 3: Cross multiply
   53,996.33x = 80,931.42 × 40,626.37
4. Step 4: Simplify right side
   53,996.33x = 3,287,949,813.55
5. Step 5: Solve for x
   x = 3,287,949,813.55/53,996.33
6. Step 6: Final answer
   x = 60,892.10