Finding the Fourth Proportional to 1,055.48, 1,572.09 and 1,008.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.48 : 1,572.09 = 1,008.10 : x
2. Step 2: Convert to fraction form
   1,055.48/1,572.09 = 1,008.10/x
3. Step 3: Cross multiply
   1,055.48x = 1,572.09 × 1,008.10
4. Step 4: Simplify right side
   1,055.48x = 1,584,823.93
5. Step 5: Solve for x
   x = 1,584,823.93/1,055.48
6. Step 6: Final answer
   x = 1,501.52