Finding the Fourth Proportional to 117,914.41, 162,716.52 and 64,199.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,914.41 : 162,716.52 = 64,199.31 : x
2. Step 2: Convert to fraction form
   117,914.41/162,716.52 = 64,199.31/x
3. Step 3: Cross multiply
   117,914.41x = 162,716.52 × 64,199.31
4. Step 4: Simplify right side
   117,914.41x = 10,446,288,309.60
5. Step 5: Solve for x
   x = 10,446,288,309.60/117,914.41
6. Step 6: Final answer
   x = 88,592.13