Finding the Fourth Proportional to 21,898.55, 32,857.25 and 7,112.00

Step by Step Solution

1. Step 1: Write the proportion equation
   21,898.55 : 32,857.25 = 7,112.00 : x
2. Step 2: Convert to fraction form
   21,898.55/32,857.25 = 7,112.00/x
3. Step 3: Cross multiply
   21,898.55x = 32,857.25 × 7,112.00
4. Step 4: Simplify right side
   21,898.55x = 233,680,808.58
5. Step 5: Solve for x
   x = 233,680,808.58/21,898.55
6. Step 6: Final answer
   x = 10,671.06