Finding the Fourth Proportional to 14,345.32, 21,478.06 and 7,310.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,345.32 : 21,478.06 = 7,310.16 : x
2. Step 2: Convert to fraction form
   14,345.32/21,478.06 = 7,310.16/x
3. Step 3: Cross multiply
   14,345.32x = 21,478.06 × 7,310.16
4. Step 4: Simplify right side
   14,345.32x = 157,008,018.54
5. Step 5: Solve for x
   x = 157,008,018.54/14,345.32
6. Step 6: Final answer
   x = 10,944.90