Finding the Fourth Proportional to 6,428,142.06, 8,871,091.92 and 3,527,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,428,142.06 : 8,871,091.92 = 3,527,636.72 : x
2. Step 2: Convert to fraction form
   6,428,142.06/8,871,091.92 = 3,527,636.72/x
3. Step 3: Cross multiply
   6,428,142.06x = 8,871,091.92 × 3,527,636.72
4. Step 4: Simplify right side
   6,428,142.06x = 31,293,989,603,487.30
5. Step 5: Solve for x
   x = 31,293,989,603,487.30/6,428,142.06
6. Step 6: Final answer
   x = 4,868,279.09