Finding the Fourth Proportional to 21,900.48, 32,853.69 and 7,104.57

Step by Step Solution

1. Step 1: Write the proportion equation
   21,900.48 : 32,853.69 = 7,104.57 : x
2. Step 2: Convert to fraction form
   21,900.48/32,853.69 = 7,104.57/x
3. Step 3: Cross multiply
   21,900.48x = 32,853.69 × 7,104.57
4. Step 4: Simplify right side
   21,900.48x = 233,411,340.36
5. Step 5: Solve for x
   x = 233,411,340.36/21,900.48
6. Step 6: Final answer
   x = 10,657.82