Finding the Fourth Proportional to 2,681,883.72, 4,020,168.42 and 1,259,393.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,681,883.72 : 4,020,168.42 = 1,259,393.40 : x
2. Step 2: Convert to fraction form
   2,681,883.72/4,020,168.42 = 1,259,393.40/x
3. Step 3: Cross multiply
   2,681,883.72x = 4,020,168.42 × 1,259,393.40
4. Step 4: Simplify right side
   2,681,883.72x = 5,062,973,575,036.43
5. Step 5: Solve for x
   x = 5,062,973,575,036.43/2,681,883.72
6. Step 6: Final answer
   x = 1,887,842.32