Finding the Fourth Proportional to 2,034.72, 3,051.12 and 880

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.72 : 3,051.12 = 880 : x
2. Step 2: Convert to fraction form
   2,034.72/3,051.12 = 880/x
3. Step 3: Cross multiply
   2,034.72x = 3,051.12 × 880
4. Step 4: Simplify right side
   2,034.72x = 2,684,985.60
5. Step 5: Solve for x
   x = 2,684,985.60/2,034.72
6. Step 6: Final answer
   x = 1,319.58