Finding the Fourth Proportional to 448,061.24, 672,108.20 and 148,568.02

Step by Step Solution

1. Step 1: Write the proportion equation
   448,061.24 : 672,108.20 = 148,568.02 : x
2. Step 2: Convert to fraction form
   448,061.24/672,108.20 = 148,568.02/x
3. Step 3: Cross multiply
   448,061.24x = 672,108.20 × 148,568.02
4. Step 4: Simplify right side
   448,061.24x = 99,853,784,499.76
5. Step 5: Solve for x
   x = 99,853,784,499.76/448,061.24
6. Step 6: Final answer
   x = 222,857.45