Finding the Fourth Proportional to 13,573.59, 18,731.37 and 7,605.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,573.59 : 18,731.37 = 7,605.37 : x
2. Step 2: Convert to fraction form
   13,573.59/18,731.37 = 7,605.37/x
3. Step 3: Cross multiply
   13,573.59x = 18,731.37 × 7,605.37
4. Step 4: Simplify right side
   13,573.59x = 142,459,008.61
5. Step 5: Solve for x
   x = 142,459,008.61/13,573.59
6. Step 6: Final answer
   x = 10,495.31