Finding the Fourth Proportional to 118,081.74, 162,951.48 and 64,365.58

Step by Step Solution

1. Step 1: Write the proportion equation
   118,081.74 : 162,951.48 = 64,365.58 : x
2. Step 2: Convert to fraction form
   118,081.74/162,951.48 = 64,365.58/x
3. Step 3: Cross multiply
   118,081.74x = 162,951.48 × 64,365.58
4. Step 4: Simplify right side
   118,081.74x = 10,488,466,725.75
5. Step 5: Solve for x
   x = 10,488,466,725.75/118,081.74
6. Step 6: Final answer
   x = 88,823.78