Finding the Fourth Proportional to 2,047,123.20, 3,066,019.20 and 1,207,315.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047,123.20 : 3,066,019.20 = 1,207,315.20 : x
2. Step 2: Convert to fraction form
   2,047,123.20/3,066,019.20 = 1,207,315.20/x
3. Step 3: Cross multiply
   2,047,123.20x = 3,066,019.20 × 1,207,315.20
4. Step 4: Simplify right side
   2,047,123.20x = 3,701,651,583,651.84
5. Step 5: Solve for x
   x = 3,701,651,583,651.84/2,047,123.20
6. Step 6: Final answer
   x = 1,808,221.21