Finding the Fourth Proportional to 9,030.50, 13,566.54 and 6,404.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.50 : 13,566.54 = 6,404.49 : x
2. Step 2: Convert to fraction form
   9,030.50/13,566.54 = 6,404.49/x
3. Step 3: Cross multiply
   9,030.50x = 13,566.54 × 6,404.49
4. Step 4: Simplify right side
   9,030.50x = 86,886,769.76
5. Step 5: Solve for x
   x = 86,886,769.76/9,030.50
6. Step 6: Final answer
   x = 9,621.48