Finding the Fourth Proportional to 2,100.93, 3,151.89 and 1,485.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.93 : 3,151.89 = 1,485.83 : x
2. Step 2: Convert to fraction form
   2,100.93/3,151.89 = 1,485.83/x
3. Step 3: Cross multiply
   2,100.93x = 3,151.89 × 1,485.83
4. Step 4: Simplify right side
   2,100.93x = 4,683,156.96
5. Step 5: Solve for x
   x = 4,683,156.96/2,100.93
6. Step 6: Final answer
   x = 2,229.09