Finding the Fourth Proportional to 117,054.72, 161,534.86 and 63,338.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,054.72 : 161,534.86 = 63,338.56 : x
2. Step 2: Convert to fraction form
   117,054.72/161,534.86 = 63,338.56/x
3. Step 3: Cross multiply
   117,054.72x = 161,534.86 × 63,338.56
4. Step 4: Simplify right side
   117,054.72x = 10,231,384,860.02
5. Step 5: Solve for x
   x = 10,231,384,860.02/117,054.72
6. Step 6: Final answer
   x = 87,406.85