Finding the Fourth Proportional to 2,186,306.24, 3,017,106.72 and 1,219,499.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,306.24 : 3,017,106.72 = 1,219,499.12 : x
2. Step 2: Convert to fraction form
   2,186,306.24/3,017,106.72 = 1,219,499.12/x
3. Step 3: Cross multiply
   2,186,306.24x = 3,017,106.72 × 1,219,499.12
4. Step 4: Simplify right side
   2,186,306.24x = 3,679,358,989,986.09
5. Step 5: Solve for x
   x = 3,679,358,989,986.09/2,186,306.24
6. Step 6: Final answer
   x = 1,682,911.08