Finding the Fourth Proportional to 11,837.61, 17,756.72 and 5,600.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,837.61 : 17,756.72 = 5,600.54 : x
2. Step 2: Convert to fraction form
   11,837.61/17,756.72 = 5,600.54/x
3. Step 3: Cross multiply
   11,837.61x = 17,756.72 × 5,600.54
4. Step 4: Simplify right side
   11,837.61x = 99,447,258.02
5. Step 5: Solve for x
   x = 99,447,258.02/11,837.61
6. Step 6: Final answer
   x = 8,400.96