Finding the Fourth Proportional to 12,835, 19,196.91 and 7,557.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,835 : 19,196.91 = 7,557.43 : x
2. Step 2: Convert to fraction form
   12,835/19,196.91 = 7,557.43/x
3. Step 3: Cross multiply
   12,835x = 19,196.91 × 7,557.43
4. Step 4: Simplify right side
   12,835x = 145,079,303.54
5. Step 5: Solve for x
   x = 145,079,303.54/12,835
6. Step 6: Final answer
   x = 11,303.41