Finding the Fourth Proportional to 42,040.46, 63,064.34 and 12,054.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,040.46 : 63,064.34 = 12,054.84 : x
2. Step 2: Convert to fraction form
   42,040.46/63,064.34 = 12,054.84/x
3. Step 3: Cross multiply
   42,040.46x = 63,064.34 × 12,054.84
4. Step 4: Simplify right side
   42,040.46x = 760,230,468.13
5. Step 5: Solve for x
   x = 760,230,468.13/42,040.46
6. Step 6: Final answer
   x = 18,083.31