Finding the Fourth Proportional to 4,881.55, 7,322.52 and 1,418.80

Step by Step Solution

1. Step 1: Write the proportion equation
   4,881.55 : 7,322.52 = 1,418.80 : x
2. Step 2: Convert to fraction form
   4,881.55/7,322.52 = 1,418.80/x
3. Step 3: Cross multiply
   4,881.55x = 7,322.52 × 1,418.80
4. Step 4: Simplify right side
   4,881.55x = 10,389,191.38
5. Step 5: Solve for x
   x = 10,389,191.38/4,881.55
6. Step 6: Final answer
   x = 2,128.26