Finding the Fourth Proportional to 35,449.29, 53,206.74 and 17,931.42

Step by Step Solution

1. Step 1: Write the proportion equation
   35,449.29 : 53,206.74 = 17,931.42 : x
2. Step 2: Convert to fraction form
   35,449.29/53,206.74 = 17,931.42/x
3. Step 3: Cross multiply
   35,449.29x = 53,206.74 × 17,931.42
4. Step 4: Simplify right side
   35,449.29x = 954,072,401.77
5. Step 5: Solve for x
   x = 954,072,401.77/35,449.29
6. Step 6: Final answer
   x = 26,913.72