Finding the Fourth Proportional to 2,535.15, 3,498.52 and 1,415.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.15 : 3,498.52 = 1,415.90 : x
2. Step 2: Convert to fraction form
   2,535.15/3,498.52 = 1,415.90/x
3. Step 3: Cross multiply
   2,535.15x = 3,498.52 × 1,415.90
4. Step 4: Simplify right side
   2,535.15x = 4,953,554.47
5. Step 5: Solve for x
   x = 4,953,554.47/2,535.15
6. Step 6: Final answer
   x = 1,953.95