Finding the Fourth Proportional to 68,978.49, 103,384.04 and 48,956.37

Step by Step Solution

1. Step 1: Write the proportion equation
   68,978.49 : 103,384.04 = 48,956.37 : x
2. Step 2: Convert to fraction form
   68,978.49/103,384.04 = 48,956.37/x
3. Step 3: Cross multiply
   68,978.49x = 103,384.04 × 48,956.37
4. Step 4: Simplify right side
   68,978.49x = 5,061,307,069.55
5. Step 5: Solve for x
   x = 5,061,307,069.55/68,978.49
6. Step 6: Final answer
   x = 73,375.15