Finding the Fourth Proportional to 117,333.51, 161,920.59 and 63,618.54

Step by Step Solution

1. Step 1: Write the proportion equation
   117,333.51 : 161,920.59 = 63,618.54 : x
2. Step 2: Convert to fraction form
   117,333.51/161,920.59 = 63,618.54/x
3. Step 3: Cross multiply
   117,333.51x = 161,920.59 × 63,618.54
4. Step 4: Simplify right side
   117,333.51x = 10,301,151,531.74
5. Step 5: Solve for x
   x = 10,301,151,531.74/117,333.51
6. Step 6: Final answer
   x = 87,793.77