Finding the Fourth Proportional to 35,628.58, 53,401.56 and 13,427.74

Step by Step Solution

1. Step 1: Write the proportion equation
   35,628.58 : 53,401.56 = 13,427.74 : x
2. Step 2: Convert to fraction form
   35,628.58/53,401.56 = 13,427.74/x
3. Step 3: Cross multiply
   35,628.58x = 53,401.56 × 13,427.74
4. Step 4: Simplify right side
   35,628.58x = 717,062,263.27
5. Step 5: Solve for x
   x = 717,062,263.27/35,628.58
6. Step 6: Final answer
   x = 20,126.04