Finding the Fourth Proportional to 19,359, 29,048.22 and 8,973.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,359 : 29,048.22 = 8,973.72 : x
2. Step 2: Convert to fraction form
   19,359/29,048.22 = 8,973.72/x
3. Step 3: Cross multiply
   19,359x = 29,048.22 × 8,973.72
4. Step 4: Simplify right side
   19,359x = 260,670,592.78
5. Step 5: Solve for x
   x = 260,670,592.78/19,359
6. Step 6: Final answer
   x = 13,465.09