Finding the Fourth Proportional to 5,139,271.50, 7,708,960.55 and 2,066,684.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139,271.50 : 7,708,960.55 = 2,066,684.12 : x
2. Step 2: Convert to fraction form
   5,139,271.50/7,708,960.55 = 2,066,684.12/x
3. Step 3: Cross multiply
   5,139,271.50x = 7,708,960.55 × 2,066,684.12
4. Step 4: Simplify right side
   5,139,271.50x = 15,931,986,345,921.97
5. Step 5: Solve for x
   x = 15,931,986,345,921.97/5,139,271.50
6. Step 6: Final answer
   x = 3,100,047.62