Finding the Fourth Proportional to 22,978.92, 31,723.01 and 15,464.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.92 : 31,723.01 = 15,464.76 : x
2. Step 2: Convert to fraction form
   22,978.92/31,723.01 = 15,464.76/x
3. Step 3: Cross multiply
   22,978.92x = 31,723.01 × 15,464.76
4. Step 4: Simplify right side
   22,978.92x = 490,588,597.84
5. Step 5: Solve for x
   x = 490,588,597.84/22,978.92
6. Step 6: Final answer
   x = 21,349.50