Finding the Fourth Proportional to 5,756,146.72, 7,943,356.24 and 3,142,561.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,756,146.72 : 7,943,356.24 = 3,142,561.60 : x
2. Step 2: Convert to fraction form
   5,756,146.72/7,943,356.24 = 3,142,561.60/x
3. Step 3: Cross multiply
   5,756,146.72x = 7,943,356.24 × 3,142,561.60
4. Step 4: Simplify right side
   5,756,146.72x = 24,962,486,294,944.39
5. Step 5: Solve for x
   x = 24,962,486,294,944.39/5,756,146.72
6. Step 6: Final answer
   x = 4,336,666.09