Finding the Fourth Proportional to 5,476,638.72, 8,218,994.38 and 2,598,014.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,476,638.72 : 8,218,994.38 = 2,598,014.56 : x
2. Step 2: Convert to fraction form
   5,476,638.72/8,218,994.38 = 2,598,014.56/x
3. Step 3: Cross multiply
   5,476,638.72x = 8,218,994.38 × 2,598,014.56
4. Step 4: Simplify right side
   5,476,638.72x = 21,353,067,067,798.17
5. Step 5: Solve for x
   x = 21,353,067,067,798.17/5,476,638.72
6. Step 6: Final answer
   x = 3,898,936.58