Finding the Fourth Proportional to 2,199,128.72, 3,034,724.12 and 1,219,026.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,128.72 : 3,034,724.12 = 1,219,026.56 : x
2. Step 2: Convert to fraction form
   2,199,128.72/3,034,724.12 = 1,219,026.56/x
3. Step 3: Cross multiply
   2,199,128.72x = 3,034,724.12 × 1,219,026.56
4. Step 4: Simplify right side
   2,199,128.72x = 3,699,409,304,552.63
5. Step 5: Solve for x
   x = 3,699,409,304,552.63/2,199,128.72
6. Step 6: Final answer
   x = 1,682,215.90