Finding the Fourth Proportional to 117,940.35, 162,757.86 and 64,225.59

Step by Step Solution

1. Step 1: Write the proportion equation
   117,940.35 : 162,757.86 = 64,225.59 : x
2. Step 2: Convert to fraction form
   117,940.35/162,757.86 = 64,225.59/x
3. Step 3: Cross multiply
   117,940.35x = 162,757.86 × 64,225.59
4. Step 4: Simplify right side
   117,940.35x = 10,453,219,585.64
5. Step 5: Solve for x
   x = 10,453,219,585.64/117,940.35
6. Step 6: Final answer
   x = 88,631.41