Finding the Fourth Proportional to 298,738.56, 448,176.96 and 174,184.32

Step by Step Solution

1. Step 1: Write the proportion equation
   298,738.56 : 448,176.96 = 174,184.32 : x
2. Step 2: Convert to fraction form
   298,738.56/448,176.96 = 174,184.32/x
3. Step 3: Cross multiply
   298,738.56x = 448,176.96 × 174,184.32
4. Step 4: Simplify right side
   298,738.56x = 78,065,399,017.27
5. Step 5: Solve for x
   x = 78,065,399,017.27/298,738.56
6. Step 6: Final answer
   x = 261,316.78