Finding the Fourth Proportional to 1,621,996.17, 2,238,196.89 and 896,744.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,996.17 : 2,238,196.89 = 896,744.58 : x
2. Step 2: Convert to fraction form
   1,621,996.17/2,238,196.89 = 896,744.58/x
3. Step 3: Cross multiply
   1,621,996.17x = 2,238,196.89 × 896,744.58
4. Step 4: Simplify right side
   1,621,996.17x = 2,007,090,930,080.36
5. Step 5: Solve for x
   x = 2,007,090,930,080.36/1,621,996.17
6. Step 6: Final answer
   x = 1,237,420.26