Finding the Fourth Proportional to 1,630.81, 2,436.28 and 1,041.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.81 : 2,436.28 = 1,041.12 : x
2. Step 2: Convert to fraction form
   1,630.81/2,436.28 = 1,041.12/x
3. Step 3: Cross multiply
   1,630.81x = 2,436.28 × 1,041.12
4. Step 4: Simplify right side
   1,630.81x = 2,536,459.83
5. Step 5: Solve for x
   x = 2,536,459.83/1,630.81
6. Step 6: Final answer
   x = 1,555.34