Finding the Fourth Proportional to 18,300.28, 27,457.00 and 7,200.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,300.28 : 27,457.00 = 7,200.82 : x
2. Step 2: Convert to fraction form
   18,300.28/27,457.00 = 7,200.82/x
3. Step 3: Cross multiply
   18,300.28x = 27,457.00 × 7,200.82
4. Step 4: Simplify right side
   18,300.28x = 197,712,855.10
5. Step 5: Solve for x
   x = 197,712,855.10/18,300.28
6. Step 6: Final answer
   x = 10,803.82