Finding the Fourth Proportional to 117,893.53, 162,695.15 and 64,180.09

Step by Step Solution

1. Step 1: Write the proportion equation
   117,893.53 : 162,695.15 = 64,180.09 : x
2. Step 2: Convert to fraction form
   117,893.53/162,695.15 = 64,180.09/x
3. Step 3: Cross multiply
   117,893.53x = 162,695.15 × 64,180.09
4. Step 4: Simplify right side
   117,893.53x = 10,441,789,369.56
5. Step 5: Solve for x
   x = 10,441,789,369.56/117,893.53
6. Step 6: Final answer
   x = 88,569.66