Finding the Fourth Proportional to 9,570.52, 14,355.76 and 2,645

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570.52 : 14,355.76 = 2,645 : x
2. Step 2: Convert to fraction form
   9,570.52/14,355.76 = 2,645/x
3. Step 3: Cross multiply
   9,570.52x = 14,355.76 × 2,645
4. Step 4: Simplify right side
   9,570.52x = 37,970,985.20
5. Step 5: Solve for x
   x = 37,970,985.20/9,570.52
6. Step 6: Final answer
   x = 3,967.49