Finding the Fourth Proportional to 13,300.59, 18,354.59 and 7,250.90

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.59 : 18,354.59 = 7,250.90 : x
2. Step 2: Convert to fraction form
   13,300.59/18,354.59 = 7,250.90/x
3. Step 3: Cross multiply
   13,300.59x = 18,354.59 × 7,250.90
4. Step 4: Simplify right side
   13,300.59x = 133,087,296.63
5. Step 5: Solve for x
   x = 133,087,296.63/13,300.59
6. Step 6: Final answer
   x = 10,006.12