Finding the Fourth Proportional to 2,286,445.64, 3,155,067.53 and 1,319,887.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,445.64 : 3,155,067.53 = 1,319,887.31 : x
2. Step 2: Convert to fraction form
   2,286,445.64/3,155,067.53 = 1,319,887.31/x
3. Step 3: Cross multiply
   2,286,445.64x = 3,155,067.53 × 1,319,887.31
4. Step 4: Simplify right side
   2,286,445.64x = 4,164,333,572,665.27
5. Step 5: Solve for x
   x = 4,164,333,572,665.27/2,286,445.64
6. Step 6: Final answer
   x = 1,821,313.18