Finding the Fourth Proportional to 117,768.33, 162,521.06 and 64,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,768.33 : 162,521.06 = 64,053.72 : x
2. Step 2: Convert to fraction form
   117,768.33/162,521.06 = 64,053.72/x
3. Step 3: Cross multiply
   117,768.33x = 162,521.06 × 64,053.72
4. Step 4: Simplify right side
   117,768.33x = 10,410,078,151.07
5. Step 5: Solve for x
   x = 10,410,078,151.07/117,768.33
6. Step 6: Final answer
   x = 88,394.55