Finding the Fourth Proportional to 6,389,293.92, 8,817,407.28 and 3,488,868.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,389,293.92 : 8,817,407.28 = 3,488,868.96 : x
2. Step 2: Convert to fraction form
   6,389,293.92/8,817,407.28 = 3,488,868.96/x
3. Step 3: Cross multiply
   6,389,293.92x = 8,817,407.28 × 3,488,868.96
4. Step 4: Simplify right side
   6,389,293.92x = 30,762,778,566,870.03
5. Step 5: Solve for x
   x = 30,762,778,566,870.03/6,389,293.92
6. Step 6: Final answer
   x = 4,814,738.37