Finding the Fourth Proportional to 117,116.48, 161,621.27 and 63,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,116.48 : 161,621.27 = 63,401.50 : x
2. Step 2: Convert to fraction form
   117,116.48/161,621.27 = 63,401.50/x
3. Step 3: Cross multiply
   117,116.48x = 161,621.27 × 63,401.50
4. Step 4: Simplify right side
   117,116.48x = 10,247,030,704.36
5. Step 5: Solve for x
   x = 10,247,030,704.36/117,116.48
6. Step 6: Final answer
   x = 87,494.35