Finding the Fourth Proportional to 2,186,357.69, 3,017,165.72 and 1,219,487.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,357.69 : 3,017,165.72 = 1,219,487.22 : x
2. Step 2: Convert to fraction form
   2,186,357.69/3,017,165.72 = 1,219,487.22/x
3. Step 3: Cross multiply
   2,186,357.69x = 3,017,165.72 × 1,219,487.22
4. Step 4: Simplify right side
   2,186,357.69x = 3,679,395,030,064.66
5. Step 5: Solve for x
   x = 3,679,395,030,064.66/2,186,357.69
6. Step 6: Final answer
   x = 1,682,887.96