Finding the Fourth Proportional to 117,333.46, 161,920.47 and 63,618.46

Step by Step Solution

1. Step 1: Write the proportion equation
   117,333.46 : 161,920.47 = 63,618.46 : x
2. Step 2: Convert to fraction form
   117,333.46/161,920.47 = 63,618.46/x
3. Step 3: Cross multiply
   117,333.46x = 161,920.47 × 63,618.46
4. Step 4: Simplify right side
   117,333.46x = 10,301,131,330.59
5. Step 5: Solve for x
   x = 10,301,131,330.59/117,333.46
6. Step 6: Final answer
   x = 87,793.64