Finding the Fourth Proportional to 67,730.90, 93,469.31 and 40,868.23

Step by Step Solution

1. Step 1: Write the proportion equation
   67,730.90 : 93,469.31 = 40,868.23 : x
2. Step 2: Convert to fraction form
   67,730.90/93,469.31 = 40,868.23/x
3. Step 3: Cross multiply
   67,730.90x = 93,469.31 × 40,868.23
4. Step 4: Simplify right side
   67,730.90x = 3,819,925,259.02
5. Step 5: Solve for x
   x = 3,819,925,259.02/67,730.90
6. Step 6: Final answer
   x = 56,398.56