Finding the Fourth Proportional to 42,081.17, 63,125.36 and 12,096.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,081.17 : 63,125.36 = 12,096.05 : x
2. Step 2: Convert to fraction form
   42,081.17/63,125.36 = 12,096.05/x
3. Step 3: Cross multiply
   42,081.17x = 63,125.36 × 12,096.05
4. Step 4: Simplify right side
   42,081.17x = 763,567,450.35
5. Step 5: Solve for x
   x = 763,567,450.35/42,081.17
6. Step 6: Final answer
   x = 18,145.11