Finding the Fourth Proportional to 42,096.03, 63,143.48 and 12,111.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,096.03 : 63,143.48 = 12,111.05 : x
2. Step 2: Convert to fraction form
   42,096.03/63,143.48 = 12,111.05/x
3. Step 3: Cross multiply
   42,096.03x = 63,143.48 × 12,111.05
4. Step 4: Simplify right side
   42,096.03x = 764,733,558.01
5. Step 5: Solve for x
   x = 764,733,558.01/42,096.03
6. Step 6: Final answer
   x = 18,166.41