Finding the Fourth Proportional to 118,180.83, 163,090.59 and 64,466.09

Step by Step Solution

1. Step 1: Write the proportion equation
   118,180.83 : 163,090.59 = 64,466.09 : x
2. Step 2: Convert to fraction form
   118,180.83/163,090.59 = 64,466.09/x
3. Step 3: Cross multiply
   118,180.83x = 163,090.59 × 64,466.09
4. Step 4: Simplify right side
   118,180.83x = 10,513,812,653.09
5. Step 5: Solve for x
   x = 10,513,812,653.09/118,180.83
6. Step 6: Final answer
   x = 88,963.77