Finding the Fourth Proportional to 10,436.09, 15,655.10 and 3,774.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.09 : 15,655.10 = 3,774.25 : x
2. Step 2: Convert to fraction form
   10,436.09/15,655.10 = 3,774.25/x
3. Step 3: Cross multiply
   10,436.09x = 15,655.10 × 3,774.25
4. Step 4: Simplify right side
   10,436.09x = 59,086,261.18
5. Step 5: Solve for x
   x = 59,086,261.18/10,436.09
6. Step 6: Final answer
   x = 5,661.72