Finding the Fourth Proportional to 2,190,189.18, 3,022,429.22 and 1,223,333.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,189.18 : 3,022,429.22 = 1,223,333.22 : x
2. Step 2: Convert to fraction form
   2,190,189.18/3,022,429.22 = 1,223,333.22/x
3. Step 3: Cross multiply
   2,190,189.18x = 3,022,429.22 × 1,223,333.22
4. Step 4: Simplify right side
   2,190,189.18x = 3,697,438,069,924.69
5. Step 5: Solve for x
   x = 3,697,438,069,924.69/2,190,189.18
6. Step 6: Final answer
   x = 1,688,182.05