Finding the Fourth Proportional to 67,638.53, 93,283.89 and 40,775.15

Step by Step Solution

1. Step 1: Write the proportion equation
   67,638.53 : 93,283.89 = 40,775.15 : x
2. Step 2: Convert to fraction form
   67,638.53/93,283.89 = 40,775.15/x
3. Step 3: Cross multiply
   67,638.53x = 93,283.89 × 40,775.15
4. Step 4: Simplify right side
   67,638.53x = 3,803,664,140.91
5. Step 5: Solve for x
   x = 3,803,664,140.91/67,638.53
6. Step 6: Final answer
   x = 56,235.17