Finding the Fourth Proportional to 1,802.54, 2,487.52 and 1,056.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.54 : 2,487.52 = 1,056.52 : x
2. Step 2: Convert to fraction form
   1,802.54/2,487.52 = 1,056.52/x
3. Step 3: Cross multiply
   1,802.54x = 2,487.52 × 1,056.52
4. Step 4: Simplify right side
   1,802.54x = 2,628,114.63
5. Step 5: Solve for x
   x = 2,628,114.63/1,802.54
6. Step 6: Final answer
   x = 1,458.01