Finding the Fourth Proportional to 269,434.42, 404,073.55 and 91,937.46

Step by Step Solution

1. Step 1: Write the proportion equation
   269,434.42 : 404,073.55 = 91,937.46 : x
2. Step 2: Convert to fraction form
   269,434.42/404,073.55 = 91,937.46/x
3. Step 3: Cross multiply
   269,434.42x = 404,073.55 × 91,937.46
4. Step 4: Simplify right side
   269,434.42x = 37,149,495,840.18
5. Step 5: Solve for x
   x = 37,149,495,840.18/269,434.42
6. Step 6: Final answer
   x = 137,879.55