Finding the Fourth Proportional to 1,616,016.83, 2,230,109.96 and 890,848.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616,016.83 : 2,230,109.96 = 890,848.63 : x
2. Step 2: Convert to fraction form
   1,616,016.83/2,230,109.96 = 890,848.63/x
3. Step 3: Cross multiply
   1,616,016.83x = 2,230,109.96 × 890,848.63
4. Step 4: Simplify right side
   1,616,016.83x = 1,986,690,400,948.75
5. Step 5: Solve for x
   x = 1,986,690,400,948.75/1,616,016.83
6. Step 6: Final answer
   x = 1,229,374.82