Finding the Fourth Proportional to 91,362.83, 137,042.78 and 27,321.12

Step by Step Solution

1. Step 1: Write the proportion equation
   91,362.83 : 137,042.78 = 27,321.12 : x
2. Step 2: Convert to fraction form
   91,362.83/137,042.78 = 27,321.12/x
3. Step 3: Cross multiply
   91,362.83x = 137,042.78 × 27,321.12
4. Step 4: Simplify right side
   91,362.83x = 3,744,162,100.91
5. Step 5: Solve for x
   x = 3,744,162,100.91/91,362.83
6. Step 6: Final answer
   x = 40,981.24