Finding the Fourth Proportional to 21,945.58, 32,910.59 and 7,901.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,945.58 : 32,910.59 = 7,901.84 : x
2. Step 2: Convert to fraction form
   21,945.58/32,910.59 = 7,901.84/x
3. Step 3: Cross multiply
   21,945.58x = 32,910.59 × 7,901.84
4. Step 4: Simplify right side
   21,945.58x = 260,054,216.49
5. Step 5: Solve for x
   x = 260,054,216.49/21,945.58
6. Step 6: Final answer
   x = 11,849.96