Finding the Fourth Proportional to 16,684.88, 25,030.05 and 7,915.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,684.88 : 25,030.05 = 7,915.01 : x
2. Step 2: Convert to fraction form
   16,684.88/25,030.05 = 7,915.01/x
3. Step 3: Cross multiply
   16,684.88x = 25,030.05 × 7,915.01
4. Step 4: Simplify right side
   16,684.88x = 198,113,096.05
5. Step 5: Solve for x
   x = 198,113,096.05/16,684.88
6. Step 6: Final answer
   x = 11,873.81