Finding the Fourth Proportional to 118,590.96, 163,654.20 and 64,877.52

Step by Step Solution

1. Step 1: Write the proportion equation
   118,590.96 : 163,654.20 = 64,877.52 : x
2. Step 2: Convert to fraction form
   118,590.96/163,654.20 = 64,877.52/x
3. Step 3: Cross multiply
   118,590.96x = 163,654.20 × 64,877.52
4. Step 4: Simplify right side
   118,590.96x = 10,617,478,633.58
5. Step 5: Solve for x
   x = 10,617,478,633.58/118,590.96
6. Step 6: Final answer
   x = 89,530.25