Finding the Fourth Proportional to 11,075,020.20, 16,615,640.70 and 5,395,429.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,075,020.20 : 16,615,640.70 = 5,395,429.80 : x
2. Step 2: Convert to fraction form
   11,075,020.20/16,615,640.70 = 5,395,429.80/x
3. Step 3: Cross multiply
   11,075,020.20x = 16,615,640.70 × 5,395,429.80
4. Step 4: Simplify right side
   11,075,020.20x = 89,648,522,978,872.86
5. Step 5: Solve for x
   x = 89,648,522,978,872.86/11,075,020.20
6. Step 6: Final answer
   x = 8,094,660.00