Finding the Fourth Proportional to 117,116.50, 161,620.82 and 63,401.51

Step by Step Solution

1. Step 1: Write the proportion equation
   117,116.50 : 161,620.82 = 63,401.51 : x
2. Step 2: Convert to fraction form
   117,116.50/161,620.82 = 63,401.51/x
3. Step 3: Cross multiply
   117,116.50x = 161,620.82 × 63,401.51
4. Step 4: Simplify right side
   117,116.50x = 10,247,004,122.48
5. Step 5: Solve for x
   x = 10,247,004,122.48/117,116.50
6. Step 6: Final answer
   x = 87,494.11