Finding the Fourth Proportional to 13,116.69, 19,670.78 and 4,349.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,116.69 : 19,670.78 = 4,349.25 : x
2. Step 2: Convert to fraction form
   13,116.69/19,670.78 = 4,349.25/x
3. Step 3: Cross multiply
   13,116.69x = 19,670.78 × 4,349.25
4. Step 4: Simplify right side
   13,116.69x = 85,553,118.17
5. Step 5: Solve for x
   x = 85,553,118.17/13,116.69
6. Step 6: Final answer
   x = 6,522.46