Finding the Fourth Proportional to 1,461.47, 2,173.42 and 1,415.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.47 : 2,173.42 = 1,415.33 : x
2. Step 2: Convert to fraction form
   1,461.47/2,173.42 = 1,415.33/x
3. Step 3: Cross multiply
   1,461.47x = 2,173.42 × 1,415.33
4. Step 4: Simplify right side
   1,461.47x = 3,076,108.42
5. Step 5: Solve for x
   x = 3,076,108.42/1,461.47
6. Step 6: Final answer
   x = 2,104.81