Finding the Fourth Proportional to 6,428,139.03, 8,871,087.72 and 3,527,633.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428,139.03 : 8,871,087.72 = 3,527,633.69 : x
2. Step 2: Convert to fraction form
   6,428,139.03/8,871,087.72 = 3,527,633.69/x
3. Step 3: Cross multiply
   6,428,139.03x = 8,871,087.72 × 3,527,633.69
4. Step 4: Simplify right side
   6,428,139.03x = 31,293,947,863,661.85
5. Step 5: Solve for x
   x = 31,293,947,863,661.85/6,428,139.03
6. Step 6: Final answer
   x = 4,868,274.90