Finding the Fourth Proportional to 41,406.79, 62,111.20 and 15,111.53

Step by Step Solution

1. Step 1: Write the proportion equation
   41,406.79 : 62,111.20 = 15,111.53 : x
2. Step 2: Convert to fraction form
   41,406.79/62,111.20 = 15,111.53/x
3. Step 3: Cross multiply
   41,406.79x = 62,111.20 × 15,111.53
4. Step 4: Simplify right side
   41,406.79x = 938,594,913.80
5. Step 5: Solve for x
   x = 938,594,913.80/41,406.79
6. Step 6: Final answer
   x = 22,667.66