Finding the Fourth Proportional to 28,092.30, 42,133.59 and 10,562.28

Step by Step Solution

1. Step 1: Write the proportion equation
   28,092.30 : 42,133.59 = 10,562.28 : x
2. Step 2: Convert to fraction form
   28,092.30/42,133.59 = 10,562.28/x
3. Step 3: Cross multiply
   28,092.30x = 42,133.59 × 10,562.28
4. Step 4: Simplify right side
   28,092.30x = 445,026,774.99
5. Step 5: Solve for x
   x = 445,026,774.99/28,092.30
6. Step 6: Final answer
   x = 15,841.59