Finding the Fourth Proportional to 3,521,300.26, 5,309,106.58 and 3,499,441.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521,300.26 : 5,309,106.58 = 3,499,441.18 : x
2. Step 2: Convert to fraction form
   3,521,300.26/5,309,106.58 = 3,499,441.18/x
3. Step 3: Cross multiply
   3,521,300.26x = 5,309,106.58 × 3,499,441.18
4. Step 4: Simplify right side
   3,521,300.26x = 18,578,906,195,060.96
5. Step 5: Solve for x
   x = 18,578,906,195,060.96/3,521,300.26
6. Step 6: Final answer
   x = 5,276,149.38