Finding the Fourth Proportional to 3,679.44, 5,513.76 and 2,901.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.44 : 5,513.76 = 2,901.30 : x
2. Step 2: Convert to fraction form
   3,679.44/5,513.76 = 2,901.30/x
3. Step 3: Cross multiply
   3,679.44x = 5,513.76 × 2,901.30
4. Step 4: Simplify right side
   3,679.44x = 15,997,071.89
5. Step 5: Solve for x
   x = 15,997,071.89/3,679.44
6. Step 6: Final answer
   x = 4,347.69