Finding the Fourth Proportional to 118,093.56, 162,968.04 and 64,378.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,093.56 : 162,968.04 = 64,378.56 : x
2. Step 2: Convert to fraction form
   118,093.56/162,968.04 = 64,378.56/x
3. Step 3: Cross multiply
   118,093.56x = 162,968.04 × 64,378.56
4. Step 4: Simplify right side
   118,093.56x = 10,491,647,741.22
5. Step 5: Solve for x
   x = 10,491,647,741.22/118,093.56
6. Step 6: Final answer
   x = 88,841.83