Finding the Fourth Proportional to 116,770, 161,143.24 and 63,778

Step by Step Solution

1. Step 1: Write the proportion equation
   116,770 : 161,143.24 = 63,778 : x
2. Step 2: Convert to fraction form
   116,770/161,143.24 = 63,778/x
3. Step 3: Cross multiply
   116,770x = 161,143.24 × 63,778
4. Step 4: Simplify right side
   116,770x = 10,277,393,560.72
5. Step 5: Solve for x
   x = 10,277,393,560.72/116,770
6. Step 6: Final answer
   x = 88,013.99