Finding the Fourth Proportional to 269,898.58, 404,404.76 and 92,308.70

Step by Step Solution

1. Step 1: Write the proportion equation
   269,898.58 : 404,404.76 = 92,308.70 : x
2. Step 2: Convert to fraction form
   269,898.58/404,404.76 = 92,308.70/x
3. Step 3: Cross multiply
   269,898.58x = 404,404.76 × 92,308.70
4. Step 4: Simplify right side
   269,898.58x = 37,330,077,669.41
5. Step 5: Solve for x
   x = 37,330,077,669.41/269,898.58
6. Step 6: Final answer
   x = 138,311.50