Finding the Fourth Proportional to 298,080.52, 447,025.94 and 98,363.68

Step by Step Solution

1. Step 1: Write the proportion equation
   298,080.52 : 447,025.94 = 98,363.68 : x
2. Step 2: Convert to fraction form
   298,080.52/447,025.94 = 98,363.68/x
3. Step 3: Cross multiply
   298,080.52x = 447,025.94 × 98,363.68
4. Step 4: Simplify right side
   298,080.52x = 43,971,116,513.86
5. Step 5: Solve for x
   x = 43,971,116,513.86/298,080.52
6. Step 6: Final answer
   x = 147,514.22