Finding the Fourth Proportional to 13,256.10, 18,294.59 and 7,288.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,256.10 : 18,294.59 = 7,288.83 : x
2. Step 2: Convert to fraction form
   13,256.10/18,294.59 = 7,288.83/x
3. Step 3: Cross multiply
   13,256.10x = 18,294.59 × 7,288.83
4. Step 4: Simplify right side
   13,256.10x = 133,346,174.65
5. Step 5: Solve for x
   x = 133,346,174.65/13,256.10
6. Step 6: Final answer
   x = 10,059.23