Finding the Fourth Proportional to 42,039.96, 63,063.58 and 12,054.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,039.96 : 63,063.58 = 12,054.34 : x
2. Step 2: Convert to fraction form
   42,039.96/63,063.58 = 12,054.34/x
3. Step 3: Cross multiply
   42,039.96x = 63,063.58 × 12,054.34
4. Step 4: Simplify right side
   42,039.96x = 760,189,834.94
5. Step 5: Solve for x
   x = 760,189,834.94/42,039.96
6. Step 6: Final answer
   x = 18,082.55