Finding the Fourth Proportional to 16,898.35, 23,320.34 and 9,345.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,898.35 : 23,320.34 = 9,345.01 : x
2. Step 2: Convert to fraction form
   16,898.35/23,320.34 = 9,345.01/x
3. Step 3: Cross multiply
   16,898.35x = 23,320.34 × 9,345.01
4. Step 4: Simplify right side
   16,898.35x = 217,928,810.50
5. Step 5: Solve for x
   x = 217,928,810.50/16,898.35
6. Step 6: Final answer
   x = 12,896.46