Finding the Fourth Proportional to 67,880.56, 93,662.16 and 38,818.15

Step by Step Solution

1. Step 1: Write the proportion equation
   67,880.56 : 93,662.16 = 38,818.15 : x
2. Step 2: Convert to fraction form
   67,880.56/93,662.16 = 38,818.15/x
3. Step 3: Cross multiply
   67,880.56x = 93,662.16 × 38,818.15
4. Step 4: Simplify right side
   67,880.56x = 3,635,791,776.20
5. Step 5: Solve for x
   x = 3,635,791,776.20/67,880.56
6. Step 6: Final answer
   x = 53,561.61