Finding the Fourth Proportional to 2,825,374.72, 3,898,909.61 and 1,536,216.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825,374.72 : 3,898,909.61 = 1,536,216.18 : x
2. Step 2: Convert to fraction form
   2,825,374.72/3,898,909.61 = 1,536,216.18/x
3. Step 3: Cross multiply
   2,825,374.72x = 3,898,909.61 × 1,536,216.18
4. Step 4: Simplify right side
   2,825,374.72x = 5,989,568,000,063.86
5. Step 5: Solve for x
   x = 5,989,568,000,063.86/2,825,374.72
6. Step 6: Final answer
   x = 2,119,919.87