Finding the Fourth Proportional to 73,196.32, 109,716.70 and 28,816.96

Step by Step Solution

1. Step 1: Write the proportion equation
   73,196.32 : 109,716.70 = 28,816.96 : x
2. Step 2: Convert to fraction form
   73,196.32/109,716.70 = 28,816.96/x
3. Step 3: Cross multiply
   73,196.32x = 109,716.70 × 28,816.96
4. Step 4: Simplify right side
   73,196.32x = 3,161,701,755.23
5. Step 5: Solve for x
   x = 3,161,701,755.23/73,196.32
6. Step 6: Final answer
   x = 43,194.82