Finding the Fourth Proportional to 5,109,978.07, 7,661,183.58 and 3,087,748.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109,978.07 : 7,661,183.58 = 3,087,748.48 : x
2. Step 2: Convert to fraction form
   5,109,978.07/7,661,183.58 = 3,087,748.48/x
3. Step 3: Cross multiply
   5,109,978.07x = 7,661,183.58 × 3,087,748.48
4. Step 4: Simplify right side
   5,109,978.07x = 23,655,807,954,145.96
5. Step 5: Solve for x
   x = 23,655,807,954,145.96/5,109,978.07
6. Step 6: Final answer
   x = 4,629,336.49