Finding the Fourth Proportional to 1,921.82, 2,880.29 and 1,303.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.82 : 2,880.29 = 1,303.98 : x
2. Step 2: Convert to fraction form
   1,921.82/2,880.29 = 1,303.98/x
3. Step 3: Cross multiply
   1,921.82x = 2,880.29 × 1,303.98
4. Step 4: Simplify right side
   1,921.82x = 3,755,834.03
5. Step 5: Solve for x
   x = 3,755,834.03/1,921.82
6. Step 6: Final answer
   x = 1,954.32