Finding the Fourth Proportional to 6,357,128.62, 8,772,595.64 and 3,456,521.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,357,128.62 : 8,772,595.64 = 3,456,521.86 : x
2. Step 2: Convert to fraction form
   6,357,128.62/8,772,595.64 = 3,456,521.86/x
3. Step 3: Cross multiply
   6,357,128.62x = 8,772,595.64 × 3,456,521.86
4. Step 4: Simplify right side
   6,357,128.62x = 30,322,668,598,600.69
5. Step 5: Solve for x
   x = 30,322,668,598,600.69/6,357,128.62
6. Step 6: Final answer
   x = 4,769,868.66