Finding the Fourth Proportional to 25,234.32, 34,830.90 and 14,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,234.32 : 34,830.90 = 14,628.72 : x
2. Step 2: Convert to fraction form
   25,234.32/34,830.90 = 14,628.72/x
3. Step 3: Cross multiply
   25,234.32x = 34,830.90 × 14,628.72
4. Step 4: Simplify right side
   25,234.32x = 509,531,483.45
5. Step 5: Solve for x
   x = 509,531,483.45/25,234.32
6. Step 6: Final answer
   x = 20,192.00