Finding the Fourth Proportional to 3,644.71, 5,030.35 and 2,152.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.71 : 5,030.35 = 2,152.53 : x
2. Step 2: Convert to fraction form
   3,644.71/5,030.35 = 2,152.53/x
3. Step 3: Cross multiply
   3,644.71x = 5,030.35 × 2,152.53
4. Step 4: Simplify right side
   3,644.71x = 10,827,979.29
5. Step 5: Solve for x
   x = 10,827,979.29/3,644.71
6. Step 6: Final answer
   x = 2,970.88