Finding the Fourth Proportional to 17,928.28, 26,756.81 and 17,461.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,928.28 : 26,756.81 = 17,461.72 : x
2. Step 2: Convert to fraction form
   17,928.28/26,756.81 = 17,461.72/x
3. Step 3: Cross multiply
   17,928.28x = 26,756.81 × 17,461.72
4. Step 4: Simplify right side
   17,928.28x = 467,219,924.31
5. Step 5: Solve for x
   x = 467,219,924.31/17,928.28
6. Step 6: Final answer
   x = 26,060.50