Finding the Fourth Proportional to 2,020,287.15, 2,788,055.01 and 1,102,575.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,287.15 : 2,788,055.01 = 1,102,575.31 : x
2. Step 2: Convert to fraction form
   2,020,287.15/2,788,055.01 = 1,102,575.31/x
3. Step 3: Cross multiply
   2,020,287.15x = 2,788,055.01 × 1,102,575.31
4. Step 4: Simplify right side
   2,020,287.15x = 3,074,040,609,977.67
5. Step 5: Solve for x
   x = 3,074,040,609,977.67/2,020,287.15
6. Step 6: Final answer
   x = 1,521,585.98