Finding the Fourth Proportional to 5,389.09, 7,435.83 and 3,150.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,389.09 : 7,435.83 = 3,150.53 : x
2. Step 2: Convert to fraction form
   5,389.09/7,435.83 = 3,150.53/x
3. Step 3: Cross multiply
   5,389.09x = 7,435.83 × 3,150.53
4. Step 4: Simplify right side
   5,389.09x = 23,426,789.74
5. Step 5: Solve for x
   x = 23,426,789.74/5,389.09
6. Step 6: Final answer
   x = 4,347.08