Finding the Fourth Proportional to 19,002.29, 28,503.93 and 9,004.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,002.29 : 28,503.93 = 9,004.69 : x
2. Step 2: Convert to fraction form
   19,002.29/28,503.93 = 9,004.69/x
3. Step 3: Cross multiply
   19,002.29x = 28,503.93 × 9,004.69
4. Step 4: Simplify right side
   19,002.29x = 256,669,053.43
5. Step 5: Solve for x
   x = 256,669,053.43/19,002.29
6. Step 6: Final answer
   x = 13,507.27