Finding the Fourth Proportional to 354,061.27, 488,598.37 and 192,917.65

Step by Step Solution

1. Step 1: Write the proportion equation
   354,061.27 : 488,598.37 = 192,917.65 : x
2. Step 2: Convert to fraction form
   354,061.27/488,598.37 = 192,917.65/x
3. Step 3: Cross multiply
   354,061.27x = 488,598.37 × 192,917.65
4. Step 4: Simplify right side
   354,061.27x = 94,259,249,334.23
5. Step 5: Solve for x
   x = 94,259,249,334.23/354,061.27
6. Step 6: Final answer
   x = 266,222.99