Finding the Fourth Proportional to 298,749.89, 448,169.03 and 99,026.22

Step by Step Solution

1. Step 1: Write the proportion equation
   298,749.89 : 448,169.03 = 99,026.22 : x
2. Step 2: Convert to fraction form
   298,749.89/448,169.03 = 99,026.22/x
3. Step 3: Cross multiply
   298,749.89x = 448,169.03 × 99,026.22
4. Step 4: Simplify right side
   298,749.89x = 44,380,484,554.89
5. Step 5: Solve for x
   x = 44,380,484,554.89/298,749.89
6. Step 6: Final answer
   x = 148,553.98