Finding the Fourth Proportional to 16,994.42, 25,495.27 and 7,128.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,994.42 : 25,495.27 = 7,128.01 : x
2. Step 2: Convert to fraction form
   16,994.42/25,495.27 = 7,128.01/x
3. Step 3: Cross multiply
   16,994.42x = 25,495.27 × 7,128.01
4. Step 4: Simplify right side
   16,994.42x = 181,730,539.51
5. Step 5: Solve for x
   x = 181,730,539.51/16,994.42
6. Step 6: Final answer
   x = 10,693.54