Finding the Fourth Proportional to 269,623.02, 404,434.50 and 92,131.56

Step by Step Solution

1. Step 1: Write the proportion equation
   269,623.02 : 404,434.50 = 92,131.56 : x
2. Step 2: Convert to fraction form
   269,623.02/404,434.50 = 92,131.56/x
3. Step 3: Cross multiply
   269,623.02x = 404,434.50 × 92,131.56
4. Step 4: Simplify right side
   269,623.02x = 37,261,181,402.82
5. Step 5: Solve for x
   x = 37,261,181,402.82/269,623.02
6. Step 6: Final answer
   x = 138,197.33