Finding the Fourth Proportional to 25,362.15, 34,987.98 and 16,412.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,362.15 : 34,987.98 = 16,412.55 : x
2. Step 2: Convert to fraction form
   25,362.15/34,987.98 = 16,412.55/x
3. Step 3: Cross multiply
   25,362.15x = 34,987.98 × 16,412.55
4. Step 4: Simplify right side
   25,362.15x = 574,241,971.15
5. Step 5: Solve for x
   x = 574,241,971.15/25,362.15
6. Step 6: Final answer
   x = 22,641.69