Finding the Fourth Proportional to 43,419.34, 65,133.76 and 13,830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   43,419.34 : 65,133.76 = 13,830.22 : x
2. Step 2: Convert to fraction form
   43,419.34/65,133.76 = 13,830.22/x
3. Step 3: Cross multiply
   43,419.34x = 65,133.76 × 13,830.22
4. Step 4: Simplify right side
   43,419.34x = 900,814,230.23
5. Step 5: Solve for x
   x = 900,814,230.23/43,419.34
6. Step 6: Final answer
   x = 20,746.84