Finding the Fourth Proportional to 19,034.29, 28,557.27 and 8,513.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,034.29 : 28,557.27 = 8,513.16 : x
2. Step 2: Convert to fraction form
   19,034.29/28,557.27 = 8,513.16/x
3. Step 3: Cross multiply
   19,034.29x = 28,557.27 × 8,513.16
4. Step 4: Simplify right side
   19,034.29x = 243,112,465.89
5. Step 5: Solve for x
   x = 243,112,465.89/19,034.29
6. Step 6: Final answer
   x = 12,772.34