Finding the Fourth Proportional to 118,179.16, 163,089.52 and 64,466.15

Step by Step Solution

1. Step 1: Write the proportion equation
   118,179.16 : 163,089.52 = 64,466.15 : x
2. Step 2: Convert to fraction form
   118,179.16/163,089.52 = 64,466.15/x
3. Step 3: Cross multiply
   118,179.16x = 163,089.52 × 64,466.15
4. Step 4: Simplify right side
   118,179.16x = 10,513,752,483.14
5. Step 5: Solve for x
   x = 10,513,752,483.14/118,179.16
6. Step 6: Final answer
   x = 88,964.52