Finding the Fourth Proportional to 4,751,743.48, 7,128,326.72 and 1,719,818.73

Step by Step Solution

1. Step 1: Write the proportion equation
   4,751,743.48 : 7,128,326.72 = 1,719,818.73 : x
2. Step 2: Convert to fraction form
   4,751,743.48/7,128,326.72 = 1,719,818.73/x
3. Step 3: Cross multiply
   4,751,743.48x = 7,128,326.72 × 1,719,818.73
4. Step 4: Simplify right side
   4,751,743.48x = 12,259,429,801,241.03
5. Step 5: Solve for x
   x = 12,259,429,801,241.03/4,751,743.48
6. Step 6: Final answer
   x = 2,579,985.61