Finding the Fourth Proportional to 91,789.83, 137,659.71 and 25,214.13

Step by Step Solution

1. Step 1: Write the proportion equation
   91,789.83 : 137,659.71 = 25,214.13 : x
2. Step 2: Convert to fraction form
   91,789.83/137,659.71 = 25,214.13/x
3. Step 3: Cross multiply
   91,789.83x = 137,659.71 × 25,214.13
4. Step 4: Simplify right side
   91,789.83x = 3,470,969,823.70
5. Step 5: Solve for x
   x = 3,470,969,823.70/91,789.83
6. Step 6: Final answer
   x = 37,814.32