Finding the Fourth Proportional to 2,880.84, 3,971.31 and 2,038.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,880.84 : 3,971.31 = 2,038.93 : x
2. Step 2: Convert to fraction form
   2,880.84/3,971.31 = 2,038.93/x
3. Step 3: Cross multiply
   2,880.84x = 3,971.31 × 2,038.93
4. Step 4: Simplify right side
   2,880.84x = 8,097,223.10
5. Step 5: Solve for x
   x = 8,097,223.10/2,880.84
6. Step 6: Final answer
   x = 2,810.72