Finding the Fourth Proportional to 2,410.48, 3,326.50 and 1,415.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.48 : 3,326.50 = 1,415.78 : x
2. Step 2: Convert to fraction form
   2,410.48/3,326.50 = 1,415.78/x
3. Step 3: Cross multiply
   2,410.48x = 3,326.50 × 1,415.78
4. Step 4: Simplify right side
   2,410.48x = 4,709,592.17
5. Step 5: Solve for x
   x = 4,709,592.17/2,410.48
6. Step 6: Final answer
   x = 1,953.80