Finding the Fourth Proportional to 2,113,383.72, 2,916,744.60 and 1,183,445.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,383.72 : 2,916,744.60 = 1,183,445.61 : x
2. Step 2: Convert to fraction form
   2,113,383.72/2,916,744.60 = 1,183,445.61/x
3. Step 3: Cross multiply
   2,113,383.72x = 2,916,744.60 × 1,183,445.61
4. Step 4: Simplify right side
   2,113,383.72x = 3,451,808,571,860.26
5. Step 5: Solve for x
   x = 3,451,808,571,860.26/2,113,383.72
6. Step 6: Final answer
   x = 1,633,308.96