Finding the Fourth Proportional to 3,710.42, 5,539.10 and 3,580.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.42 : 5,539.10 = 3,580.62 : x
2. Step 2: Convert to fraction form
   3,710.42/5,539.10 = 3,580.62/x
3. Step 3: Cross multiply
   3,710.42x = 5,539.10 × 3,580.62
4. Step 4: Simplify right side
   3,710.42x = 19,833,412.24
5. Step 5: Solve for x
   x = 19,833,412.24/3,710.42
6. Step 6: Final answer
   x = 5,345.34