Finding the Fourth Proportional to 68,705.50, 94,813.59 and 38,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,705.50 : 94,813.59 = 38,897.50 : x
2. Step 2: Convert to fraction form
   68,705.50/94,813.59 = 38,897.50/x
3. Step 3: Cross multiply
   68,705.50x = 94,813.59 × 38,897.50
4. Step 4: Simplify right side
   68,705.50x = 3,688,011,617.03
5. Step 5: Solve for x
   x = 3,688,011,617.03/68,705.50
6. Step 6: Final answer
   x = 53,678.55