Finding the Fourth Proportional to 6,428,267.42, 8,871,116.81 and 3,527,928.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428,267.42 : 8,871,116.81 = 3,527,928.15 : x
2. Step 2: Convert to fraction form
   6,428,267.42/8,871,116.81 = 3,527,928.15/x
3. Step 3: Cross multiply
   6,428,267.42x = 8,871,116.81 × 3,527,928.15
4. Step 4: Simplify right side
   6,428,267.42x = 31,296,662,698,297.56
5. Step 5: Solve for x
   x = 31,296,662,698,297.56/6,428,267.42
6. Step 6: Final answer
   x = 4,868,599.99