Finding the Fourth Proportional to 2,410.38, 3,615.30 and 1,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.38 : 3,615.30 = 1,111.50 : x
2. Step 2: Convert to fraction form
   2,410.38/3,615.30 = 1,111.50/x
3. Step 3: Cross multiply
   2,410.38x = 3,615.30 × 1,111.50
4. Step 4: Simplify right side
   2,410.38x = 4,018,405.95
5. Step 5: Solve for x
   x = 4,018,405.95/2,410.38
6. Step 6: Final answer
   x = 1,667.13