Finding the Fourth Proportional to 2,819,365.86, 3,890,728.53 and 1,530,206.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819,365.86 : 3,890,728.53 = 1,530,206.10 : x
2. Step 2: Convert to fraction form
   2,819,365.86/3,890,728.53 = 1,530,206.10/x
3. Step 3: Cross multiply
   2,819,365.86x = 3,890,728.53 × 1,530,206.10
4. Step 4: Simplify right side
   2,819,365.86x = 5,953,616,530,050.03
5. Step 5: Solve for x
   x = 5,953,616,530,050.03/2,819,365.86
6. Step 6: Final answer
   x = 2,111,686.40