Finding the Fourth Proportional to 91,550.76, 137,273.22 and 28,354.02

Step by Step Solution

1. Step 1: Write the proportion equation
   91,550.76 : 137,273.22 = 28,354.02 : x
2. Step 2: Convert to fraction form
   91,550.76/137,273.22 = 28,354.02/x
3. Step 3: Cross multiply
   91,550.76x = 137,273.22 × 28,354.02
4. Step 4: Simplify right side
   91,550.76x = 3,892,247,625.34
5. Step 5: Solve for x
   x = 3,892,247,625.34/91,550.76
6. Step 6: Final answer
   x = 42,514.64