Finding the Fourth Proportional to 3,685.02, 5,085.55 and 2,113.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.02 : 5,085.55 = 2,113.62 : x
2. Step 2: Convert to fraction form
   3,685.02/5,085.55 = 2,113.62/x
3. Step 3: Cross multiply
   3,685.02x = 5,085.55 × 2,113.62
4. Step 4: Simplify right side
   3,685.02x = 10,748,920.19
5. Step 5: Solve for x
   x = 10,748,920.19/3,685.02
6. Step 6: Final answer
   x = 2,916.92