Finding the Fourth Proportional to 30,499.12, 42,083.76 and 17,926.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,499.12 : 42,083.76 = 17,926.32 : x
2. Step 2: Convert to fraction form
   30,499.12/42,083.76 = 17,926.32/x
3. Step 3: Cross multiply
   30,499.12x = 42,083.76 × 17,926.32
4. Step 4: Simplify right side
   30,499.12x = 754,406,948.56
5. Step 5: Solve for x
   x = 754,406,948.56/30,499.12
6. Step 6: Final answer
   x = 24,735.37