Finding the Fourth Proportional to 116,770.50, 161,143.93 and 63,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,770.50 : 161,143.93 = 63,778.50 : x
2. Step 2: Convert to fraction form
   116,770.50/161,143.93 = 63,778.50/x
3. Step 3: Cross multiply
   116,770.50x = 161,143.93 × 63,778.50
4. Step 4: Simplify right side
   116,770.50x = 10,277,518,139.51
5. Step 5: Solve for x
   x = 10,277,518,139.51/116,770.50
6. Step 6: Final answer
   x = 88,014.68