Finding the Fourth Proportional to 12,928.08, 17,841.83 and 7,623.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,928.08 : 17,841.83 = 7,623.93 : x
2. Step 2: Convert to fraction form
   12,928.08/17,841.83 = 7,623.93/x
3. Step 3: Cross multiply
   12,928.08x = 17,841.83 × 7,623.93
4. Step 4: Simplify right side
   12,928.08x = 136,024,824.87
5. Step 5: Solve for x
   x = 136,024,824.87/12,928.08
6. Step 6: Final answer
   x = 10,521.66