Finding the Fourth Proportional to 19,059.86, 28,598.00 and 9,206.53

Step by Step Solution

1. Step 1: Write the proportion equation
   19,059.86 : 28,598.00 = 9,206.53 : x
2. Step 2: Convert to fraction form
   19,059.86/28,598.00 = 9,206.53/x
3. Step 3: Cross multiply
   19,059.86x = 28,598.00 × 9,206.53
4. Step 4: Simplify right side
   19,059.86x = 263,288,227.41
5. Step 5: Solve for x
   x = 263,288,227.41/19,059.86
6. Step 6: Final answer
   x = 13,813.75