Finding the Fourth Proportional to 67,719.15, 93,477.50 and 40,862.79

Step by Step Solution

1. Step 1: Write the proportion equation
   67,719.15 : 93,477.50 = 40,862.79 : x
2. Step 2: Convert to fraction form
   67,719.15/93,477.50 = 40,862.79/x
3. Step 3: Cross multiply
   67,719.15x = 93,477.50 × 40,862.79
4. Step 4: Simplify right side
   67,719.15x = 3,819,751,452.23
5. Step 5: Solve for x
   x = 3,819,751,452.23/67,719.15
6. Step 6: Final answer
   x = 56,405.78