Finding the Fourth Proportional to 13,160.48, 19,736.98 and 3,670.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,160.48 : 19,736.98 = 3,670.62 : x
2. Step 2: Convert to fraction form
   13,160.48/19,736.98 = 3,670.62/x
3. Step 3: Cross multiply
   13,160.48x = 19,736.98 × 3,670.62
4. Step 4: Simplify right side
   13,160.48x = 72,446,953.53
5. Step 5: Solve for x
   x = 72,446,953.53/13,160.48
6. Step 6: Final answer
   x = 5,504.89