Finding the Fourth Proportional to 21,068.19, 31,604.72 and 7,030.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,068.19 : 31,604.72 = 7,030.08 : x
2. Step 2: Convert to fraction form
   21,068.19/31,604.72 = 7,030.08/x
3. Step 3: Cross multiply
   21,068.19x = 31,604.72 × 7,030.08
4. Step 4: Simplify right side
   21,068.19x = 222,183,674.83
5. Step 5: Solve for x
   x = 222,183,674.83/21,068.19
6. Step 6: Final answer
   x = 10,545.93