Finding the Fourth Proportional to 1,919.82, 2,875.98 and 993.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.82 : 2,875.98 = 993.98 : x
2. Step 2: Convert to fraction form
   1,919.82/2,875.98 = 993.98/x
3. Step 3: Cross multiply
   1,919.82x = 2,875.98 × 993.98
4. Step 4: Simplify right side
   1,919.82x = 2,858,666.60
5. Step 5: Solve for x
   x = 2,858,666.60/1,919.82
6. Step 6: Final answer
   x = 1,489.03