Finding the Fourth Proportional to 2,447.02, 3,670.50 and 1,147.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.02 : 3,670.50 = 1,147.57 : x
2. Step 2: Convert to fraction form
   2,447.02/3,670.50 = 1,147.57/x
3. Step 3: Cross multiply
   2,447.02x = 3,670.50 × 1,147.57
4. Step 4: Simplify right side
   2,447.02x = 4,212,155.69
5. Step 5: Solve for x
   x = 4,212,155.69/2,447.02
6. Step 6: Final answer
   x = 1,721.34