Finding the Fourth Proportional to 1,415.37, 1,955.75 and 1,101.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.37 : 1,955.75 = 1,101.45 : x
2. Step 2: Convert to fraction form
   1,415.37/1,955.75 = 1,101.45/x
3. Step 3: Cross multiply
   1,415.37x = 1,955.75 × 1,101.45
4. Step 4: Simplify right side
   1,415.37x = 2,154,155.33
5. Step 5: Solve for x
   x = 2,154,155.33/1,415.37
6. Step 6: Final answer
   x = 1,521.97