Finding the Fourth Proportional to 2,700.88, 4,051.55 and 753.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.88 : 4,051.55 = 753.10 : x
2. Step 2: Convert to fraction form
   2,700.88/4,051.55 = 753.10/x
3. Step 3: Cross multiply
   2,700.88x = 4,051.55 × 753.10
4. Step 4: Simplify right side
   2,700.88x = 3,051,222.31
5. Step 5: Solve for x
   x = 3,051,222.31/2,700.88
6. Step 6: Final answer
   x = 1,129.71