Finding the Fourth Proportional to 1,544.70, 2,131.72 and 846.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.70 : 2,131.72 = 846.06 : x
2. Step 2: Convert to fraction form
   1,544.70/2,131.72 = 846.06/x
3. Step 3: Cross multiply
   1,544.70x = 2,131.72 × 846.06
4. Step 4: Simplify right side
   1,544.70x = 1,803,563.02
5. Step 5: Solve for x
   x = 1,803,563.02/1,544.70
6. Step 6: Final answer
   x = 1,167.58