Finding the Fourth Proportional to 28,460.28, 42,702.72 and 10,926.03

Step by Step Solution

1. Step 1: Write the proportion equation
   28,460.28 : 42,702.72 = 10,926.03 : x
2. Step 2: Convert to fraction form
   28,460.28/42,702.72 = 10,926.03/x
3. Step 3: Cross multiply
   28,460.28x = 42,702.72 × 10,926.03
4. Step 4: Simplify right side
   28,460.28x = 466,571,199.80
5. Step 5: Solve for x
   x = 466,571,199.80/28,460.28
6. Step 6: Final answer
   x = 16,393.77