Finding the Fourth Proportional to 1,443,977.39, 1,992,609.77 and 790,477.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,977.39 : 1,992,609.77 = 790,477.02 : x
2. Step 2: Convert to fraction form
   1,443,977.39/1,992,609.77 = 790,477.02/x
3. Step 3: Cross multiply
   1,443,977.39x = 1,992,609.77 × 790,477.02
4. Step 4: Simplify right side
   1,443,977.39x = 1,575,112,229,060.10
5. Step 5: Solve for x
   x = 1,575,112,229,060.10/1,443,977.39
6. Step 6: Final answer
   x = 1,090,815.02