Finding the Fourth Proportional to 1,931.58, 2,880.90 and 1,880.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.58 : 2,880.90 = 1,880.82 : x
2. Step 2: Convert to fraction form
   1,931.58/2,880.90 = 1,880.82/x
3. Step 3: Cross multiply
   1,931.58x = 2,880.90 × 1,880.82
4. Step 4: Simplify right side
   1,931.58x = 5,418,454.34
5. Step 5: Solve for x
   x = 5,418,454.34/1,931.58
6. Step 6: Final answer
   x = 2,805.19