Finding the Fourth Proportional to 13,180.03, 19,771.42 and 4,296.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,180.03 : 19,771.42 = 4,296.05 : x
2. Step 2: Convert to fraction form
   13,180.03/19,771.42 = 4,296.05/x
3. Step 3: Cross multiply
   13,180.03x = 19,771.42 × 4,296.05
4. Step 4: Simplify right side
   13,180.03x = 84,939,008.89
5. Step 5: Solve for x
   x = 84,939,008.89/13,180.03
6. Step 6: Final answer
   x = 6,444.52