Finding the Fourth Proportional to 269,429.70, 404,106.15 and 91,944.90

Step by Step Solution

1. Step 1: Write the proportion equation
   269,429.70 : 404,106.15 = 91,944.90 : x
2. Step 2: Convert to fraction form
   269,429.70/404,106.15 = 91,944.90/x
3. Step 3: Cross multiply
   269,429.70x = 404,106.15 × 91,944.90
4. Step 4: Simplify right side
   269,429.70x = 37,155,499,551.14
5. Step 5: Solve for x
   x = 37,155,499,551.14/269,429.70
6. Step 6: Final answer
   x = 137,904.25