Finding the Fourth Proportional to 42,048.41, 63,054.32 and 12,056.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048.41 : 63,054.32 = 12,056.03 : x
2. Step 2: Convert to fraction form
   42,048.41/63,054.32 = 12,056.03/x
3. Step 3: Cross multiply
   42,048.41x = 63,054.32 × 12,056.03
4. Step 4: Simplify right side
   42,048.41x = 760,184,870.91
5. Step 5: Solve for x
   x = 760,184,870.91/42,048.41
6. Step 6: Final answer
   x = 18,078.80