Finding the Fourth Proportional to 4,100.47, 5,645.68 and 3,726.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,100.47 : 5,645.68 = 3,726.34 : x
2. Step 2: Convert to fraction form
   4,100.47/5,645.68 = 3,726.34/x
3. Step 3: Cross multiply
   4,100.47x = 5,645.68 × 3,726.34
4. Step 4: Simplify right side
   4,100.47x = 21,037,699.78
5. Step 5: Solve for x
   x = 21,037,699.78/4,100.47
6. Step 6: Final answer
   x = 5,130.56