Finding the Fourth Proportional to 118,179.33, 163,088.52 and 64,464.59

Step by Step Solution

1. Step 1: Write the proportion equation
   118,179.33 : 163,088.52 = 64,464.59 : x
2. Step 2: Convert to fraction form
   118,179.33/163,088.52 = 64,464.59/x
3. Step 3: Cross multiply
   118,179.33x = 163,088.52 × 64,464.59
4. Step 4: Simplify right side
   118,179.33x = 10,513,433,518.32
5. Step 5: Solve for x
   x = 10,513,433,518.32/118,179.33
6. Step 6: Final answer
   x = 88,961.70