Finding the Fourth Proportional to 13,005.87, 17,929.00 and 9,373.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.87 : 17,929.00 = 9,373.02 : x
2. Step 2: Convert to fraction form
   13,005.87/17,929.00 = 9,373.02/x
3. Step 3: Cross multiply
   13,005.87x = 17,929.00 × 9,373.02
4. Step 4: Simplify right side
   13,005.87x = 168,048,767.34
5. Step 5: Solve for x
   x = 168,048,767.34/13,005.87
6. Step 6: Final answer
   x = 12,921.00