Finding the Fourth Proportional to 8,436.84, 11,642.04 and 4,900.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,436.84 : 11,642.04 = 4,900.25 : x
2. Step 2: Convert to fraction form
   8,436.84/11,642.04 = 4,900.25/x
3. Step 3: Cross multiply
   8,436.84x = 11,642.04 × 4,900.25
4. Step 4: Simplify right side
   8,436.84x = 57,048,848.30
5. Step 5: Solve for x
   x = 57,048,848.30/8,436.84
6. Step 6: Final answer
   x = 6,761.87