Finding the Fourth Proportional to 1,443,245.10, 1,991,649.72 and 798,665.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,245.10 : 1,991,649.72 = 798,665.10 : x
2. Step 2: Convert to fraction form
   1,443,245.10/1,991,649.72 = 798,665.10/x
3. Step 3: Cross multiply
   1,443,245.10x = 1,991,649.72 × 798,665.10
4. Step 4: Simplify right side
   1,443,245.10x = 1,590,661,122,788.77
5. Step 5: Solve for x
   x = 1,590,661,122,788.77/1,443,245.10
6. Step 6: Final answer
   x = 1,102,142.06