Finding the Fourth Proportional to 1,800.63, 2,484.88 and 1,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.63 : 2,484.88 = 1,054.72 : x
2. Step 2: Convert to fraction form
   1,800.63/2,484.88 = 1,054.72/x
3. Step 3: Cross multiply
   1,800.63x = 2,484.88 × 1,054.72
4. Step 4: Simplify right side
   1,800.63x = 2,620,853.10
5. Step 5: Solve for x
   x = 2,620,853.10/1,800.63
6. Step 6: Final answer
   x = 1,455.52