Finding the Fourth Proportional to 5,141.98, 7,713.30 and 1,809.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,141.98 : 7,713.30 = 1,809.82 : x
2. Step 2: Convert to fraction form
   5,141.98/7,713.30 = 1,809.82/x
3. Step 3: Cross multiply
   5,141.98x = 7,713.30 × 1,809.82
4. Step 4: Simplify right side
   5,141.98x = 13,959,684.61
5. Step 5: Solve for x
   x = 13,959,684.61/5,141.98
6. Step 6: Final answer
   x = 2,714.85