Finding the Fourth Proportional to 3,673.60, 5,069.48 and 2,101.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.60 : 5,069.48 = 2,101.59 : x
2. Step 2: Convert to fraction form
   3,673.60/5,069.48 = 2,101.59/x
3. Step 3: Cross multiply
   3,673.60x = 5,069.48 × 2,101.59
4. Step 4: Simplify right side
   3,673.60x = 10,653,984.86
5. Step 5: Solve for x
   x = 10,653,984.86/3,673.60
6. Step 6: Final answer
   x = 2,900.15