Finding the Fourth Proportional to 40,300.13, 55,615.53 and 22,395.89

Step by Step Solution

1. Step 1: Write the proportion equation
   40,300.13 : 55,615.53 = 22,395.89 : x
2. Step 2: Convert to fraction form
   40,300.13/55,615.53 = 22,395.89/x
3. Step 3: Cross multiply
   40,300.13x = 55,615.53 × 22,395.89
4. Step 4: Simplify right side
   40,300.13x = 1,245,559,236.18
5. Step 5: Solve for x
   x = 1,245,559,236.18/40,300.13
6. Step 6: Final answer
   x = 30,907.08