Finding the Fourth Proportional to 2,051.30, 3,077.37 and 752.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.30 : 3,077.37 = 752.76 : x
2. Step 2: Convert to fraction form
   2,051.30/3,077.37 = 752.76/x
3. Step 3: Cross multiply
   2,051.30x = 3,077.37 × 752.76
4. Step 4: Simplify right side
   2,051.30x = 2,316,521.04
5. Step 5: Solve for x
   x = 2,316,521.04/2,051.30
6. Step 6: Final answer
   x = 1,129.30