Finding the Fourth Proportional to 16,981.34, 23,437.06 and 9,430.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,981.34 : 23,437.06 = 9,430.10 : x
2. Step 2: Convert to fraction form
   16,981.34/23,437.06 = 9,430.10/x
3. Step 3: Cross multiply
   16,981.34x = 23,437.06 × 9,430.10
4. Step 4: Simplify right side
   16,981.34x = 221,013,819.51
5. Step 5: Solve for x
   x = 221,013,819.51/16,981.34
6. Step 6: Final answer
   x = 13,015.10