Finding the Fourth Proportional to 91,994.13, 138,044.72 and 38,682.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91,994.13 : 138,044.72 = 38,682.24 : x
2. Step 2: Convert to fraction form
   91,994.13/138,044.72 = 38,682.24/x
3. Step 3: Cross multiply
   91,994.13x = 138,044.72 × 38,682.24
4. Step 4: Simplify right side
   91,994.13x = 5,339,879,345.31
5. Step 5: Solve for x
   x = 5,339,879,345.31/91,994.13
6. Step 6: Final answer
   x = 58,045.87