Finding the Fourth Proportional to 1,415.75, 2,124.47 and 1,008.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.75 : 2,124.47 = 1,008.27 : x
2. Step 2: Convert to fraction form
   1,415.75/2,124.47 = 1,008.27/x
3. Step 3: Cross multiply
   1,415.75x = 2,124.47 × 1,008.27
4. Step 4: Simplify right side
   1,415.75x = 2,142,041.89
5. Step 5: Solve for x
   x = 2,142,041.89/1,415.75
6. Step 6: Final answer
   x = 1,513.01