Finding the Fourth Proportional to 1,880.91, 2,822.18 and 1,266.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.91 : 2,822.18 = 1,266.93 : x
2. Step 2: Convert to fraction form
   1,880.91/2,822.18 = 1,266.93/x
3. Step 3: Cross multiply
   1,880.91x = 2,822.18 × 1,266.93
4. Step 4: Simplify right side
   1,880.91x = 3,575,498.17
5. Step 5: Solve for x
   x = 3,575,498.17/1,880.91
6. Step 6: Final answer
   x = 1,900.94