Finding the Fourth Proportional to 117,758.32, 162,504.91 and 64,042.18

Step by Step Solution

1. Step 1: Write the proportion equation
   117,758.32 : 162,504.91 = 64,042.18 : x
2. Step 2: Convert to fraction form
   117,758.32/162,504.91 = 64,042.18/x
3. Step 3: Cross multiply
   117,758.32x = 162,504.91 × 64,042.18
4. Step 4: Simplify right side
   117,758.32x = 10,407,168,697.10
5. Step 5: Solve for x
   x = 10,407,168,697.10/117,758.32
6. Step 6: Final answer
   x = 88,377.35