Finding the Fourth Proportional to 360,426.24, 497,375.69 and 197,086.59

Step by Step Solution

1. Step 1: Write the proportion equation
   360,426.24 : 497,375.69 = 197,086.59 : x
2. Step 2: Convert to fraction form
   360,426.24/497,375.69 = 197,086.59/x
3. Step 3: Cross multiply
   360,426.24x = 497,375.69 × 197,086.59
4. Step 4: Simplify right side
   360,426.24x = 98,026,077,705.56
5. Step 5: Solve for x
   x = 98,026,077,705.56/360,426.24
6. Step 6: Final answer
   x = 271,972.64