Finding the Fourth Proportional to 897,910.16, 1,347,111.27 and 448,088.00

Step by Step Solution

1. Step 1: Write the proportion equation
   897,910.16 : 1,347,111.27 = 448,088.00 : x
2. Step 2: Convert to fraction form
   897,910.16/1,347,111.27 = 448,088.00/x
3. Step 3: Cross multiply
   897,910.16x = 1,347,111.27 × 448,088.00
4. Step 4: Simplify right side
   897,910.16x = 603,624,388,016.20
5. Step 5: Solve for x
   x = 603,624,388,016.20/897,910.16
6. Step 6: Final answer
   x = 672,254.77