Finding the Fourth Proportional to 118,180.08, 163,089.55 and 64,465.34

Step by Step Solution

1. Step 1: Write the proportion equation
   118,180.08 : 163,089.55 = 64,465.34 : x
2. Step 2: Convert to fraction form
   118,180.08/163,089.55 = 64,465.34/x
3. Step 3: Cross multiply
   118,180.08x = 163,089.55 × 64,465.34
4. Step 4: Simplify right side
   118,180.08x = 10,513,622,556.33
5. Step 5: Solve for x
   x = 10,513,622,556.33/118,180.08
6. Step 6: Final answer
   x = 88,962.73