Finding the Fourth Proportional to 21,054.96, 31,561.32 and 7,194.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,054.96 : 31,561.32 = 7,194.48 : x
2. Step 2: Convert to fraction form
   21,054.96/31,561.32 = 7,194.48/x
3. Step 3: Cross multiply
   21,054.96x = 31,561.32 × 7,194.48
4. Step 4: Simplify right side
   21,054.96x = 227,067,285.51
5. Step 5: Solve for x
   x = 227,067,285.51/21,054.96
6. Step 6: Final answer
   x = 10,784.50