Finding the Fourth Proportional to 13,097.61, 18,073.33 and 7,430.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,097.61 : 18,073.33 = 7,430.56 : x
2. Step 2: Convert to fraction form
   13,097.61/18,073.33 = 7,430.56/x
3. Step 3: Cross multiply
   13,097.61x = 18,073.33 × 7,430.56
4. Step 4: Simplify right side
   13,097.61x = 134,294,899.21
5. Step 5: Solve for x
   x = 134,294,899.21/13,097.61
6. Step 6: Final answer
   x = 10,253.39