Finding the Fourth Proportional to 25,081.51, 37,598.69 and 8,429.86

Step by Step Solution

1. Step 1: Write the proportion equation
   25,081.51 : 37,598.69 = 8,429.86 : x
2. Step 2: Convert to fraction form
   25,081.51/37,598.69 = 8,429.86/x
3. Step 3: Cross multiply
   25,081.51x = 37,598.69 × 8,429.86
4. Step 4: Simplify right side
   25,081.51x = 316,951,692.88
5. Step 5: Solve for x
   x = 316,951,692.88/25,081.51
6. Step 6: Final answer
   x = 12,636.87