Finding the Fourth Proportional to 25,673.94, 38,485.89 and 13,199.94

Step by Step Solution

1. Step 1: Write the proportion equation
   25,673.94 : 38,485.89 = 13,199.94 : x
2. Step 2: Convert to fraction form
   25,673.94/38,485.89 = 13,199.94/x
3. Step 3: Cross multiply
   25,673.94x = 38,485.89 × 13,199.94
4. Step 4: Simplify right side
   25,673.94x = 508,011,438.85
5. Step 5: Solve for x
   x = 508,011,438.85/25,673.94
6. Step 6: Final answer
   x = 19,787.05