Finding the Fourth Proportional to 1,544.04, 2,129.59 and 1,071.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,544.04 : 2,129.59 = 1,071.93 : x
2. Step 2: Convert to fraction form
   1,544.04/2,129.59 = 1,071.93/x
3. Step 3: Cross multiply
   1,544.04x = 2,129.59 × 1,071.93
4. Step 4: Simplify right side
   1,544.04x = 2,282,780.73
5. Step 5: Solve for x
   x = 2,282,780.73/1,544.04
6. Step 6: Final answer
   x = 1,478.45