Finding the Fourth Proportional to 209,940.71, 314,901.50 and 67,792.55

Step by Step Solution

1. Step 1: Write the proportion equation
   209,940.71 : 314,901.50 = 67,792.55 : x
2. Step 2: Convert to fraction form
   209,940.71/314,901.50 = 67,792.55/x
3. Step 3: Cross multiply
   209,940.71x = 314,901.50 × 67,792.55
4. Step 4: Simplify right side
   209,940.71x = 21,347,973,770.35
5. Step 5: Solve for x
   x = 21,347,973,770.35/209,940.71
6. Step 6: Final answer
   x = 101,685.73