Finding the Fourth Proportional to 225,549.72, 338,457.69 and 83,494.71

Step by Step Solution

1. Step 1: Write the proportion equation
   225,549.72 : 338,457.69 = 83,494.71 : x
2. Step 2: Convert to fraction form
   225,549.72/338,457.69 = 83,494.71/x
3. Step 3: Cross multiply
   225,549.72x = 338,457.69 × 83,494.71
4. Step 4: Simplify right side
   225,549.72x = 28,259,426,673.82
5. Step 5: Solve for x
   x = 28,259,426,673.82/225,549.72
6. Step 6: Final answer
   x = 125,291.34