Finding the Fourth Proportional to 16,877.96, 25,321.55 and 7,388.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,877.96 : 25,321.55 = 7,388.55 : x
2. Step 2: Convert to fraction form
   16,877.96/25,321.55 = 7,388.55/x
3. Step 3: Cross multiply
   16,877.96x = 25,321.55 × 7,388.55
4. Step 4: Simplify right side
   16,877.96x = 187,089,538.25
5. Step 5: Solve for x
   x = 187,089,538.25/16,877.96
6. Step 6: Final answer
   x = 11,084.84