Finding the Fourth Proportional to 2,415.86, 3,624.31 and 955.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415.86 : 3,624.31 = 955.02 : x
2. Step 2: Convert to fraction form
   2,415.86/3,624.31 = 955.02/x
3. Step 3: Cross multiply
   2,415.86x = 3,624.31 × 955.02
4. Step 4: Simplify right side
   2,415.86x = 3,461,303.32
5. Step 5: Solve for x
   x = 3,461,303.32/2,415.86
6. Step 6: Final answer
   x = 1,432.74