Finding the Fourth Proportional to 2,051.79, 3,076.59 and 955.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.79 : 3,076.59 = 955.20 : x
2. Step 2: Convert to fraction form
   2,051.79/3,076.59 = 955.20/x
3. Step 3: Cross multiply
   2,051.79x = 3,076.59 × 955.20
4. Step 4: Simplify right side
   2,051.79x = 2,938,758.77
5. Step 5: Solve for x
   x = 2,938,758.77/2,051.79
6. Step 6: Final answer
   x = 1,432.29