Finding the Fourth Proportional to 2,672,469.12, 3,688,158.24 and 1,585,384.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672,469.12 : 3,688,158.24 = 1,585,384.32 : x
2. Step 2: Convert to fraction form
   2,672,469.12/3,688,158.24 = 1,585,384.32/x
3. Step 3: Cross multiply
   2,672,469.12x = 3,688,158.24 × 1,585,384.32
4. Step 4: Simplify right side
   2,672,469.12x = 5,847,148,243,374.80
5. Step 5: Solve for x
   x = 5,847,148,243,374.80/2,672,469.12
6. Step 6: Final answer
   x = 2,187,919.85