Finding the Fourth Proportional to 117,953.22, 162,774.48 and 64,238.16

Step by Step Solution

1. Step 1: Write the proportion equation
   117,953.22 : 162,774.48 = 64,238.16 : x
2. Step 2: Convert to fraction form
   117,953.22/162,774.48 = 64,238.16/x
3. Step 3: Cross multiply
   117,953.22x = 162,774.48 × 64,238.16
4. Step 4: Simplify right side
   117,953.22x = 10,456,333,090.16
5. Step 5: Solve for x
   x = 10,456,333,090.16/117,953.22
6. Step 6: Final answer
   x = 88,648.14