Finding the Fourth Proportional to 30,892.06, 42,635.60 and 19,562.59

Step by Step Solution

1. Step 1: Write the proportion equation
   30,892.06 : 42,635.60 = 19,562.59 : x
2. Step 2: Convert to fraction form
   30,892.06/42,635.60 = 19,562.59/x
3. Step 3: Cross multiply
   30,892.06x = 42,635.60 × 19,562.59
4. Step 4: Simplify right side
   30,892.06x = 834,062,791.05
5. Step 5: Solve for x
   x = 834,062,791.05/30,892.06
6. Step 6: Final answer
   x = 26,999.26