Finding the Fourth Proportional to 1,924.72, 2,886.16 and 999.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.72 : 2,886.16 = 999.35 : x
2. Step 2: Convert to fraction form
   1,924.72/2,886.16 = 999.35/x
3. Step 3: Cross multiply
   1,924.72x = 2,886.16 × 999.35
4. Step 4: Simplify right side
   1,924.72x = 2,884,284.00
5. Step 5: Solve for x
   x = 2,884,284.00/1,924.72
6. Step 6: Final answer
   x = 1,498.55