Finding the Fourth Proportional to 67,830.72, 93,583.92 and 40,963

Step by Step Solution

1. Step 1: Write the proportion equation
   67,830.72 : 93,583.92 = 40,963 : x
2. Step 2: Convert to fraction form
   67,830.72/93,583.92 = 40,963/x
3. Step 3: Cross multiply
   67,830.72x = 93,583.92 × 40,963
4. Step 4: Simplify right side
   67,830.72x = 3,833,478,114.96
5. Step 5: Solve for x
   x = 3,833,478,114.96/67,830.72
6. Step 6: Final answer
   x = 56,515.37