Finding the Fourth Proportional to 12,925.89, 19,389.78 and 4,167.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,925.89 : 19,389.78 = 4,167.09 : x
2. Step 2: Convert to fraction form
   12,925.89/19,389.78 = 4,167.09/x
3. Step 3: Cross multiply
   12,925.89x = 19,389.78 × 4,167.09
4. Step 4: Simplify right side
   12,925.89x = 80,798,958.34
5. Step 5: Solve for x
   x = 80,798,958.34/12,925.89
6. Step 6: Final answer
   x = 6,250.94