Finding the Fourth Proportional to 12,123.53, 16,730.64 and 9,093.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.53 : 16,730.64 = 9,093.32 : x
2. Step 2: Convert to fraction form
   12,123.53/16,730.64 = 9,093.32/x
3. Step 3: Cross multiply
   12,123.53x = 16,730.64 × 9,093.32
4. Step 4: Simplify right side
   12,123.53x = 152,136,979.67
5. Step 5: Solve for x
   x = 152,136,979.67/12,123.53
6. Step 6: Final answer
   x = 12,548.91