Finding the Fourth Proportional to 118,633.62, 163,621.98 and 76,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   118,633.62 : 163,621.98 = 76,196.10 : x
2. Step 2: Convert to fraction form
   118,633.62/163,621.98 = 76,196.10/x
3. Step 3: Cross multiply
   118,633.62x = 163,621.98 × 76,196.10
4. Step 4: Simplify right side
   118,633.62x = 12,467,356,750.28
5. Step 5: Solve for x
   x = 12,467,356,750.28/118,633.62
6. Step 6: Final answer
   x = 105,091.26