Finding the Fourth Proportional to 13,150.74, 19,723.18 and 3,788.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.74 : 19,723.18 = 3,788.76 : x
2. Step 2: Convert to fraction form
   13,150.74/19,723.18 = 3,788.76/x
3. Step 3: Cross multiply
   13,150.74x = 19,723.18 × 3,788.76
4. Step 4: Simplify right side
   13,150.74x = 74,726,395.46
5. Step 5: Solve for x
   x = 74,726,395.46/13,150.74
6. Step 6: Final answer
   x = 5,682.30