Finding the Fourth Proportional to 298,081.52, 447,166.74 and 98,423

Step by Step Solution

1. Step 1: Write the proportion equation
   298,081.52 : 447,166.74 = 98,423 : x
2. Step 2: Convert to fraction form
   298,081.52/447,166.74 = 98,423/x
3. Step 3: Cross multiply
   298,081.52x = 447,166.74 × 98,423
4. Step 4: Simplify right side
   298,081.52x = 44,011,492,051.02
5. Step 5: Solve for x
   x = 44,011,492,051.02/298,081.52
6. Step 6: Final answer
   x = 147,649.18