Finding the Fourth Proportional to 2,048.32, 3,070.63 and 749.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.32 : 3,070.63 = 749.48 : x
2. Step 2: Convert to fraction form
   2,048.32/3,070.63 = 749.48/x
3. Step 3: Cross multiply
   2,048.32x = 3,070.63 × 749.48
4. Step 4: Simplify right side
   2,048.32x = 2,301,384.39
5. Step 5: Solve for x
   x = 2,301,384.39/2,048.32
6. Step 6: Final answer
   x = 1,123.55