Finding the Fourth Proportional to 118,181.33, 163,091.28 and 64,466.59

Step by Step Solution

1. Step 1: Write the proportion equation
   118,181.33 : 163,091.28 = 64,466.59 : x
2. Step 2: Convert to fraction form
   118,181.33/163,091.28 = 64,466.59/x
3. Step 3: Cross multiply
   118,181.33x = 163,091.28 × 64,466.59
4. Step 4: Simplify right side
   118,181.33x = 10,513,938,680.34
5. Step 5: Solve for x
   x = 10,513,938,680.34/118,181.33
6. Step 6: Final answer
   x = 88,964.46