Finding the Fourth Proportional to 10,780.19, 16,165.06 and 3,760.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.19 : 16,165.06 = 3,760.03 : x
2. Step 2: Convert to fraction form
   10,780.19/16,165.06 = 3,760.03/x
3. Step 3: Cross multiply
   10,780.19x = 16,165.06 × 3,760.03
4. Step 4: Simplify right side
   10,780.19x = 60,781,110.55
5. Step 5: Solve for x
   x = 60,781,110.55/10,780.19
6. Step 6: Final answer
   x = 5,638.22