Finding the Fourth Proportional to 1,616,141.14, 2,230,233.77 and 890,972.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616,141.14 : 2,230,233.77 = 890,972.10 : x
2. Step 2: Convert to fraction form
   1,616,141.14/2,230,233.77 = 890,972.10/x
3. Step 3: Cross multiply
   1,616,141.14x = 2,230,233.77 × 890,972.10
4. Step 4: Simplify right side
   1,616,141.14x = 1,987,076,065,547.82
5. Step 5: Solve for x
   x = 1,987,076,065,547.82/1,616,141.14
6. Step 6: Final answer
   x = 1,229,518.89