Finding the Fourth Proportional to 2,875.50, 4,316.90 and 2,445.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.50 : 4,316.90 = 2,445.39 : x
2. Step 2: Convert to fraction form
   2,875.50/4,316.90 = 2,445.39/x
3. Step 3: Cross multiply
   2,875.50x = 4,316.90 × 2,445.39
4. Step 4: Simplify right side
   2,875.50x = 10,556,491.86
5. Step 5: Solve for x
   x = 10,556,491.86/2,875.50
6. Step 6: Final answer
   x = 3,671.18