Finding the Fourth Proportional to 3,645.27, 5,032.13 and 2,152.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.27 : 5,032.13 = 2,152.71 : x
2. Step 2: Convert to fraction form
   3,645.27/5,032.13 = 2,152.71/x
3. Step 3: Cross multiply
   3,645.27x = 5,032.13 × 2,152.71
4. Step 4: Simplify right side
   3,645.27x = 10,832,705.81
5. Step 5: Solve for x
   x = 10,832,705.81/3,645.27
6. Step 6: Final answer
   x = 2,971.72