Finding the Fourth Proportional to 117,380.52, 161,985.18 and 63,665.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,380.52 : 161,985.18 = 63,665.52 : x
2. Step 2: Convert to fraction form
   117,380.52/161,985.18 = 63,665.52/x
3. Step 3: Cross multiply
   117,380.52x = 161,985.18 × 63,665.52
4. Step 4: Simplify right side
   117,380.52x = 10,312,870,716.99
5. Step 5: Solve for x
   x = 10,312,870,716.99/117,380.52
6. Step 6: Final answer
   x = 87,858.45