Finding the Fourth Proportional to 2,362.12, 3,527.09 and 2,113.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,362.12 : 3,527.09 = 2,113.72 : x
2. Step 2: Convert to fraction form
   2,362.12/3,527.09 = 2,113.72/x
3. Step 3: Cross multiply
   2,362.12x = 3,527.09 × 2,113.72
4. Step 4: Simplify right side
   2,362.12x = 7,455,280.67
5. Step 5: Solve for x
   x = 7,455,280.67/2,362.12
6. Step 6: Final answer
   x = 3,156.18