Finding the Fourth Proportional to 118,054.32, 162,910.14 and 64,338.18

Step by Step Solution

1. Step 1: Write the proportion equation
   118,054.32 : 162,910.14 = 64,338.18 : x
2. Step 2: Convert to fraction form
   118,054.32/162,910.14 = 64,338.18/x
3. Step 3: Cross multiply
   118,054.32x = 162,910.14 × 64,338.18
4. Step 4: Simplify right side
   118,054.32x = 10,481,341,911.15
5. Step 5: Solve for x
   x = 10,481,341,911.15/118,054.32
6. Step 6: Final answer
   x = 88,784.06