Finding the Fourth Proportional to 1,901.52, 2,855.52 and 1,415.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.52 : 2,855.52 = 1,415.52 : x
2. Step 2: Convert to fraction form
   1,901.52/2,855.52 = 1,415.52/x
3. Step 3: Cross multiply
   1,901.52x = 2,855.52 × 1,415.52
4. Step 4: Simplify right side
   1,901.52x = 4,042,045.67
5. Step 5: Solve for x
   x = 4,042,045.67/1,901.52
6. Step 6: Final answer
   x = 2,125.69