Finding the Fourth Proportional to 117,003.83, 161,464.82 and 63,288.99

Step by Step Solution

1. Step 1: Write the proportion equation
   117,003.83 : 161,464.82 = 63,288.99 : x
2. Step 2: Convert to fraction form
   117,003.83/161,464.82 = 63,288.99/x
3. Step 3: Cross multiply
   117,003.83x = 161,464.82 × 63,288.99
4. Step 4: Simplify right side
   117,003.83x = 10,218,945,061.89
5. Step 5: Solve for x
   x = 10,218,945,061.89/117,003.83
6. Step 6: Final answer
   x = 87,338.56