Finding the Fourth Proportional to 13,041.29, 19,561.63 and 3,180.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,041.29 : 19,561.63 = 3,180.62 : x
2. Step 2: Convert to fraction form
   13,041.29/19,561.63 = 3,180.62/x
3. Step 3: Cross multiply
   13,041.29x = 19,561.63 × 3,180.62
4. Step 4: Simplify right side
   13,041.29x = 62,218,111.61
5. Step 5: Solve for x
   x = 62,218,111.61/13,041.29
6. Step 6: Final answer
   x = 4,770.86