Finding the Fourth Proportional to 1,820.46, 2,731.50 and 954.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.46 : 2,731.50 = 954.57 : x
2. Step 2: Convert to fraction form
   1,820.46/2,731.50 = 954.57/x
3. Step 3: Cross multiply
   1,820.46x = 2,731.50 × 954.57
4. Step 4: Simplify right side
   1,820.46x = 2,607,389.52
5. Step 5: Solve for x
   x = 2,607,389.52/1,820.46
6. Step 6: Final answer
   x = 1,432.27