Finding the Fourth Proportional to 3,384.76, 5,064.38 and 1,998.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,384.76 : 5,064.38 = 1,998.86 : x
2. Step 2: Convert to fraction form
   3,384.76/5,064.38 = 1,998.86/x
3. Step 3: Cross multiply
   3,384.76x = 5,064.38 × 1,998.86
4. Step 4: Simplify right side
   3,384.76x = 10,122,986.61
5. Step 5: Solve for x
   x = 10,122,986.61/3,384.76
6. Step 6: Final answer
   x = 2,990.75