Finding the Fourth Proportional to 3,670.99, 5,064.64 and 2,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670.99 : 5,064.64 = 2,412.72 : x
2. Step 2: Convert to fraction form
   3,670.99/5,064.64 = 2,412.72/x
3. Step 3: Cross multiply
   3,670.99x = 5,064.64 × 2,412.72
4. Step 4: Simplify right side
   3,670.99x = 12,219,558.22
5. Step 5: Solve for x
   x = 12,219,558.22/3,670.99
6. Step 6: Final answer
   x = 3,328.68