Finding the Fourth Proportional to 117,216.37, 161,758.72 and 63,500.91

Step by Step Solution

1. Step 1: Write the proportion equation
   117,216.37 : 161,758.72 = 63,500.91 : x
2. Step 2: Convert to fraction form
   117,216.37/161,758.72 = 63,500.91/x
3. Step 3: Cross multiply
   117,216.37x = 161,758.72 × 63,500.91
4. Step 4: Simplify right side
   117,216.37x = 10,271,826,303.11
5. Step 5: Solve for x
   x = 10,271,826,303.11/117,216.37
6. Step 6: Final answer
   x = 87,631.33