Finding the Fourth Proportional to 16,061.32, 22,185.80 and 12,330.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.32 : 22,185.80 = 12,330.58 : x
2. Step 2: Convert to fraction form
   16,061.32/22,185.80 = 12,330.58/x
3. Step 3: Cross multiply
   16,061.32x = 22,185.80 × 12,330.58
4. Step 4: Simplify right side
   16,061.32x = 273,563,781.76
5. Step 5: Solve for x
   x = 273,563,781.76/16,061.32
6. Step 6: Final answer
   x = 17,032.46