Finding the Fourth Proportional to 1,167.06, 1,746.50 and 890.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.06 : 1,746.50 = 890.96 : x
2. Step 2: Convert to fraction form
   1,167.06/1,746.50 = 890.96/x
3. Step 3: Cross multiply
   1,167.06x = 1,746.50 × 890.96
4. Step 4: Simplify right side
   1,167.06x = 1,556,048.45
5. Step 5: Solve for x
   x = 1,556,048.45/1,167.06
6. Step 6: Final answer
   x = 1,333.30