Finding the Fourth Proportional to 9,030.54, 13,542.32 and 3,106.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.54 : 13,542.32 = 3,106.31 : x
2. Step 2: Convert to fraction form
   9,030.54/13,542.32 = 3,106.31/x
3. Step 3: Cross multiply
   9,030.54x = 13,542.32 × 3,106.31
4. Step 4: Simplify right side
   9,030.54x = 42,066,560.80
5. Step 5: Solve for x
   x = 42,066,560.80/9,030.54
6. Step 6: Final answer
   x = 4,658.26