Finding the Fourth Proportional to 11,333.61, 15,635.34 and 7,553.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,333.61 : 15,635.34 = 7,553.09 : x
2. Step 2: Convert to fraction form
   11,333.61/15,635.34 = 7,553.09/x
3. Step 3: Cross multiply
   11,333.61x = 15,635.34 × 7,553.09
4. Step 4: Simplify right side
   11,333.61x = 118,095,052.02
5. Step 5: Solve for x
   x = 118,095,052.02/11,333.61
6. Step 6: Final answer
   x = 10,419.90