Finding the Fourth Proportional to 3,247.73, 4,870.56 and 1,055.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,247.73 : 4,870.56 = 1,055.93 : x
2. Step 2: Convert to fraction form
   3,247.73/4,870.56 = 1,055.93/x
3. Step 3: Cross multiply
   3,247.73x = 4,870.56 × 1,055.93
4. Step 4: Simplify right side
   3,247.73x = 5,142,970.42
5. Step 5: Solve for x
   x = 5,142,970.42/3,247.73
6. Step 6: Final answer
   x = 1,583.56