Finding the Fourth Proportional to 3,670.67, 5,505.82 and 1,298.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670.67 : 5,505.82 = 1,298.59 : x
2. Step 2: Convert to fraction form
   3,670.67/5,505.82 = 1,298.59/x
3. Step 3: Cross multiply
   3,670.67x = 5,505.82 × 1,298.59
4. Step 4: Simplify right side
   3,670.67x = 7,149,785.78
5. Step 5: Solve for x
   x = 7,149,785.78/3,670.67
6. Step 6: Final answer
   x = 1,947.81