Finding the Fourth Proportional to 2,556,774.56, 3,830,216.31 and 2,141,513.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,774.56 : 3,830,216.31 = 2,141,513.61 : x
2. Step 2: Convert to fraction form
   2,556,774.56/3,830,216.31 = 2,141,513.61/x
3. Step 3: Cross multiply
   2,556,774.56x = 3,830,216.31 × 2,141,513.61
4. Step 4: Simplify right side
   2,556,774.56x = 8,202,460,357,108.98
5. Step 5: Solve for x
   x = 8,202,460,357,108.98/2,556,774.56
6. Step 6: Final answer
   x = 3,208,128.12