Finding the Fourth Proportional to 52,981.34, 79,479.39 and 17,911.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,981.34 : 79,479.39 = 17,911.58 : x
2. Step 2: Convert to fraction form
   52,981.34/79,479.39 = 17,911.58/x
3. Step 3: Cross multiply
   52,981.34x = 79,479.39 × 17,911.58
4. Step 4: Simplify right side
   52,981.34x = 1,423,601,452.34
5. Step 5: Solve for x
   x = 1,423,601,452.34/52,981.34
6. Step 6: Final answer
   x = 26,869.86