Finding the Fourth Proportional to 21,326.00, 31,981.86 and 7,091.19

Step by Step Solution

1. Step 1: Write the proportion equation
   21,326.00 : 31,981.86 = 7,091.19 : x
2. Step 2: Convert to fraction form
   21,326.00/31,981.86 = 7,091.19/x
3. Step 3: Cross multiply
   21,326.00x = 31,981.86 × 7,091.19
4. Step 4: Simplify right side
   21,326.00x = 226,789,445.81
5. Step 5: Solve for x
   x = 226,789,445.81/21,326.00
6. Step 6: Final answer
   x = 10,634.41