Finding the Fourth Proportional to 24,978.76, 34,459.86 and 15,037

Step by Step Solution

1. Step 1: Write the proportion equation
   24,978.76 : 34,459.86 = 15,037 : x
2. Step 2: Convert to fraction form
   24,978.76/34,459.86 = 15,037/x
3. Step 3: Cross multiply
   24,978.76x = 34,459.86 × 15,037
4. Step 4: Simplify right side
   24,978.76x = 518,172,914.82
5. Step 5: Solve for x
   x = 518,172,914.82/24,978.76
6. Step 6: Final answer
   x = 20,744.54