Finding the Fourth Proportional to 13,100.66, 19,651.71 and 3,739.95

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.66 : 19,651.71 = 3,739.95 : x
2. Step 2: Convert to fraction form
   13,100.66/19,651.71 = 3,739.95/x
3. Step 3: Cross multiply
   13,100.66x = 19,651.71 × 3,739.95
4. Step 4: Simplify right side
   13,100.66x = 73,496,412.81
5. Step 5: Solve for x
   x = 73,496,412.81/13,100.66
6. Step 6: Final answer
   x = 5,610.13