Finding the Fourth Proportional to 25,019.33, 37,485.79 and 13,155.46

Step by Step Solution

1. Step 1: Write the proportion equation
   25,019.33 : 37,485.79 = 13,155.46 : x
2. Step 2: Convert to fraction form
   25,019.33/37,485.79 = 13,155.46/x
3. Step 3: Cross multiply
   25,019.33x = 37,485.79 × 13,155.46
4. Step 4: Simplify right side
   25,019.33x = 493,142,895.17
5. Step 5: Solve for x
   x = 493,142,895.17/25,019.33
6. Step 6: Final answer
   x = 19,710.48