Finding the Fourth Proportional to 1,842.05, 2,542.05 and 1,056.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.05 : 2,542.05 = 1,056.09 : x
2. Step 2: Convert to fraction form
   1,842.05/2,542.05 = 1,056.09/x
3. Step 3: Cross multiply
   1,842.05x = 2,542.05 × 1,056.09
4. Step 4: Simplify right side
   1,842.05x = 2,684,643.12
5. Step 5: Solve for x
   x = 2,684,643.12/1,842.05
6. Step 6: Final answer
   x = 1,457.42