Finding the Fourth Proportional to 9,895.41, 13,655.79 and 5,419.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,895.41 : 13,655.79 = 5,419.35 : x
2. Step 2: Convert to fraction form
   9,895.41/13,655.79 = 5,419.35/x
3. Step 3: Cross multiply
   9,895.41x = 13,655.79 × 5,419.35
4. Step 4: Simplify right side
   9,895.41x = 74,005,505.54
5. Step 5: Solve for x
   x = 74,005,505.54/9,895.41
6. Step 6: Final answer
   x = 7,478.77