Finding the Fourth Proportional to 2,875.86, 4,317.46 and 2,445.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.86 : 4,317.46 = 2,445.76 : x
2. Step 2: Convert to fraction form
   2,875.86/4,317.46 = 2,445.76/x
3. Step 3: Cross multiply
   2,875.86x = 4,317.46 × 2,445.76
4. Step 4: Simplify right side
   2,875.86x = 10,559,470.97
5. Step 5: Solve for x
   x = 10,559,470.97/2,875.86
6. Step 6: Final answer
   x = 3,671.76