Finding the Fourth Proportional to 21,681.06, 32,501.88 and 7,826.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,681.06 : 32,501.88 = 7,826.82 : x
2. Step 2: Convert to fraction form
   21,681.06/32,501.88 = 7,826.82/x
3. Step 3: Cross multiply
   21,681.06x = 32,501.88 × 7,826.82
4. Step 4: Simplify right side
   21,681.06x = 254,386,364.42
5. Step 5: Solve for x
   x = 254,386,364.42/21,681.06
6. Step 6: Final answer
   x = 11,733.11