Finding the Fourth Proportional to 4,892.45, 7,340.00 and 2,118.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,892.45 : 7,340.00 = 2,118.47 : x
2. Step 2: Convert to fraction form
   4,892.45/7,340.00 = 2,118.47/x
3. Step 3: Cross multiply
   4,892.45x = 7,340.00 × 2,118.47
4. Step 4: Simplify right side
   4,892.45x = 15,549,522.51
5. Step 5: Solve for x
   x = 15,549,522.51/4,892.45
6. Step 6: Final answer
   x = 3,178.27