Finding the Fourth Proportional to 1,483.76, 2,047.55 and 845.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.76 : 2,047.55 = 845.81 : x
2. Step 2: Convert to fraction form
   1,483.76/2,047.55 = 845.81/x
3. Step 3: Cross multiply
   1,483.76x = 2,047.55 × 845.81
4. Step 4: Simplify right side
   1,483.76x = 1,731,823.80
5. Step 5: Solve for x
   x = 1,731,823.80/1,483.76
6. Step 6: Final answer
   x = 1,167.19