Finding the Fourth Proportional to 1,443.45, 2,162.59 and 1,235.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.45 : 2,162.59 = 1,235.99 : x
2. Step 2: Convert to fraction form
   1,443.45/2,162.59 = 1,235.99/x
3. Step 3: Cross multiply
   1,443.45x = 2,162.59 × 1,235.99
4. Step 4: Simplify right side
   1,443.45x = 2,672,925.71
5. Step 5: Solve for x
   x = 2,672,925.71/1,443.45
6. Step 6: Final answer
   x = 1,851.77