Finding the Fourth Proportional to 1,395,005.70, 2,092,800.15 and 448,472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,005.70 : 2,092,800.15 = 448,472.10 : x
2. Step 2: Convert to fraction form
   1,395,005.70/2,092,800.15 = 448,472.10/x
3. Step 3: Cross multiply
   1,395,005.70x = 2,092,800.15 × 448,472.10
4. Step 4: Simplify right side
   1,395,005.70x = 938,562,478,150.82
5. Step 5: Solve for x
   x = 938,562,478,150.82/1,395,005.70
6. Step 6: Final answer
   x = 672,801.89