Finding the Fourth Proportional to 14,388.60, 21,595.72 and 7,373.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,388.60 : 21,595.72 = 7,373.39 : x
2. Step 2: Convert to fraction form
   14,388.60/21,595.72 = 7,373.39/x
3. Step 3: Cross multiply
   14,388.60x = 21,595.72 × 7,373.39
4. Step 4: Simplify right side
   14,388.60x = 159,233,665.89
5. Step 5: Solve for x
   x = 159,233,665.89/14,388.60
6. Step 6: Final answer
   x = 11,066.65