Finding the Fourth Proportional to 1,445.61, 2,003.33 and 1,417.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.61 : 2,003.33 = 1,417.92 : x
2. Step 2: Convert to fraction form
   1,445.61/2,003.33 = 1,417.92/x
3. Step 3: Cross multiply
   1,445.61x = 2,003.33 × 1,417.92
4. Step 4: Simplify right side
   1,445.61x = 2,840,554.58
5. Step 5: Solve for x
   x = 2,840,554.58/1,445.61
6. Step 6: Final answer
   x = 1,964.95