Finding the Fourth Proportional to 117,767.96, 162,521.90 and 64,054.16

Step by Step Solution

1. Step 1: Write the proportion equation
   117,767.96 : 162,521.90 = 64,054.16 : x
2. Step 2: Convert to fraction form
   117,767.96/162,521.90 = 64,054.16/x
3. Step 3: Cross multiply
   117,767.96x = 162,521.90 × 64,054.16
4. Step 4: Simplify right side
   117,767.96x = 10,410,203,786.10
5. Step 5: Solve for x
   x = 10,410,203,786.10/117,767.96
6. Step 6: Final answer
   x = 88,395.89