Finding the Fourth Proportional to 5,137.37, 7,090.27 and 2,900.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,137.37 : 7,090.27 = 2,900.15 : x
2. Step 2: Convert to fraction form
   5,137.37/7,090.27 = 2,900.15/x
3. Step 3: Cross multiply
   5,137.37x = 7,090.27 × 2,900.15
4. Step 4: Simplify right side
   5,137.37x = 20,562,803.84
5. Step 5: Solve for x
   x = 20,562,803.84/5,137.37
6. Step 6: Final answer
   x = 4,002.60