Finding the Fourth Proportional to 91,196.56, 136,793.22 and 28,867.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91,196.56 : 136,793.22 = 28,867.24 : x
2. Step 2: Convert to fraction form
   91,196.56/136,793.22 = 28,867.24/x
3. Step 3: Cross multiply
   91,196.56x = 136,793.22 × 28,867.24
4. Step 4: Simplify right side
   91,196.56x = 3,948,842,712.11
5. Step 5: Solve for x
   x = 3,948,842,712.11/91,196.56
6. Step 6: Final answer
   x = 43,300.35