Finding the Fourth Proportional to 35,634.53, 53,449.89 and 13,446.47

Step by Step Solution

1. Step 1: Write the proportion equation
   35,634.53 : 53,449.89 = 13,446.47 : x
2. Step 2: Convert to fraction form
   35,634.53/53,449.89 = 13,446.47/x
3. Step 3: Cross multiply
   35,634.53x = 53,449.89 × 13,446.47
4. Step 4: Simplify right side
   35,634.53x = 718,712,342.39
5. Step 5: Solve for x
   x = 718,712,342.39/35,634.53
6. Step 6: Final answer
   x = 20,168.99