Finding the Fourth Proportional to 3,100.89, 4,649.01 and 1,868.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.89 : 4,649.01 = 1,868.01 : x
2. Step 2: Convert to fraction form
   3,100.89/4,649.01 = 1,868.01/x
3. Step 3: Cross multiply
   3,100.89x = 4,649.01 × 1,868.01
4. Step 4: Simplify right side
   3,100.89x = 8,684,397.17
5. Step 5: Solve for x
   x = 8,684,397.17/3,100.89
6. Step 6: Final answer
   x = 2,800.61