Finding the Fourth Proportional to 2,415.47, 3,333.29 and 1,420.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.47 : 3,333.29 = 1,420.52 : x
2. Step 2: Convert to fraction form
   2,415.47/3,333.29 = 1,420.52/x
3. Step 3: Cross multiply
   2,415.47x = 3,333.29 × 1,420.52
4. Step 4: Simplify right side
   2,415.47x = 4,734,998.01
5. Step 5: Solve for x
   x = 4,734,998.01/2,415.47
6. Step 6: Final answer
   x = 1,960.28