Finding the Fourth Proportional to 117,768.52, 162,521.64 and 64,054

Step by Step Solution

1. Step 1: Write the proportion equation
   117,768.52 : 162,521.64 = 64,054 : x
2. Step 2: Convert to fraction form
   117,768.52/162,521.64 = 64,054/x
3. Step 3: Cross multiply
   117,768.52x = 162,521.64 × 64,054
4. Step 4: Simplify right side
   117,768.52x = 10,410,161,128.56
5. Step 5: Solve for x
   x = 10,410,161,128.56/117,768.52
6. Step 6: Final answer
   x = 88,395.11