Finding the Fourth Proportional to 16,870.95, 23,279.04 and 10,826.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.95 : 23,279.04 = 10,826.55 : x
2. Step 2: Convert to fraction form
   16,870.95/23,279.04 = 10,826.55/x
3. Step 3: Cross multiply
   16,870.95x = 23,279.04 × 10,826.55
4. Step 4: Simplify right side
   16,870.95x = 252,031,690.51
5. Step 5: Solve for x
   x = 252,031,690.51/16,870.95
6. Step 6: Final answer
   x = 14,938.80