Finding the Fourth Proportional to 5,388.63, 7,435.71 and 3,030.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,388.63 : 7,435.71 = 3,030.72 : x
2. Step 2: Convert to fraction form
   5,388.63/7,435.71 = 3,030.72/x
3. Step 3: Cross multiply
   5,388.63x = 7,435.71 × 3,030.72
4. Step 4: Simplify right side
   5,388.63x = 22,535,555.01
5. Step 5: Solve for x
   x = 22,535,555.01/5,388.63
6. Step 6: Final answer
   x = 4,182.06