Finding the Fourth Proportional to 117,200.82, 161,737.91 and 63,485.84

Step by Step Solution

1. Step 1: Write the proportion equation
   117,200.82 : 161,737.91 = 63,485.84 : x
2. Step 2: Convert to fraction form
   117,200.82/161,737.91 = 63,485.84/x
3. Step 3: Cross multiply
   117,200.82x = 161,737.91 × 63,485.84
4. Step 4: Simplify right side
   117,200.82x = 10,268,067,243.88
5. Step 5: Solve for x
   x = 10,268,067,243.88/117,200.82
6. Step 6: Final answer
   x = 87,610.88