Finding the Fourth Proportional to 30,688.30, 42,166.32 and 24,389.74

Step by Step Solution

1. Step 1: Write the proportion equation
   30,688.30 : 42,166.32 = 24,389.74 : x
2. Step 2: Convert to fraction form
   30,688.30/42,166.32 = 24,389.74/x
3. Step 3: Cross multiply
   30,688.30x = 42,166.32 × 24,389.74
4. Step 4: Simplify right side
   30,688.30x = 1,028,425,476.14
5. Step 5: Solve for x
   x = 1,028,425,476.14/30,688.30
6. Step 6: Final answer
   x = 33,511.98