Finding the Fourth Proportional to 2,188,404.54, 3,020,502.15 and 1,283,278.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188,404.54 : 3,020,502.15 = 1,283,278.14 : x
2. Step 2: Convert to fraction form
   2,188,404.54/3,020,502.15 = 1,283,278.14/x
3. Step 3: Cross multiply
   2,188,404.54x = 3,020,502.15 × 1,283,278.14
4. Step 4: Simplify right side
   2,188,404.54x = 3,876,144,380,918.00
5. Step 5: Solve for x
   x = 3,876,144,380,918.00/2,188,404.54
6. Step 6: Final answer
   x = 1,771,219.31