Finding the Fourth Proportional to 117,925.29, 162,734.78 and 64,209.33

Step by Step Solution

1. Step 1: Write the proportion equation
   117,925.29 : 162,734.78 = 64,209.33 : x
2. Step 2: Convert to fraction form
   117,925.29/162,734.78 = 64,209.33/x
3. Step 3: Cross multiply
   117,925.29x = 162,734.78 × 64,209.33
4. Step 4: Simplify right side
   117,925.29x = 10,449,090,377.82
5. Step 5: Solve for x
   x = 10,449,090,377.82/117,925.29
6. Step 6: Final answer
   x = 88,607.72