Finding the Fourth Proportional to 2,788,780, 3,848,516.46 and 1,581,556

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788,780 : 3,848,516.46 = 1,581,556 : x
2. Step 2: Convert to fraction form
   2,788,780/3,848,516.46 = 1,581,556/x
3. Step 3: Cross multiply
   2,788,780x = 3,848,516.46 × 1,581,556
4. Step 4: Simplify right side
   2,788,780x = 6,086,644,298,411.76
5. Step 5: Solve for x
   x = 6,086,644,298,411.76/2,788,780
6. Step 6: Final answer
   x = 2,182,547.31