Finding the Fourth Proportional to 68,906.50, 103,384.35 and 33,870.76

Step by Step Solution

1. Step 1: Write the proportion equation
   68,906.50 : 103,384.35 = 33,870.76 : x
2. Step 2: Convert to fraction form
   68,906.50/103,384.35 = 33,870.76/x
3. Step 3: Cross multiply
   68,906.50x = 103,384.35 × 33,870.76
4. Step 4: Simplify right side
   68,906.50x = 3,501,706,506.61
5. Step 5: Solve for x
   x = 3,501,706,506.61/68,906.50
6. Step 6: Final answer
   x = 50,818.23