Finding the Fourth Proportional to 13,130.57, 19,689.93 and 3,768.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,130.57 : 19,689.93 = 3,768.46 : x
2. Step 2: Convert to fraction form
   13,130.57/19,689.93 = 3,768.46/x
3. Step 3: Cross multiply
   13,130.57x = 19,689.93 × 3,768.46
4. Step 4: Simplify right side
   13,130.57x = 74,200,694.77
5. Step 5: Solve for x
   x = 74,200,694.77/13,130.57
6. Step 6: Final answer
   x = 5,650.99