Finding the Fourth Proportional to 42,043.88, 63,073.59 and 12,056.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,043.88 : 63,073.59 = 12,056.86 : x
2. Step 2: Convert to fraction form
   42,043.88/63,073.59 = 12,056.86/x
3. Step 3: Cross multiply
   42,043.88x = 63,073.59 × 12,056.86
4. Step 4: Simplify right side
   42,043.88x = 760,469,642.95
5. Step 5: Solve for x
   x = 760,469,642.95/42,043.88
6. Step 6: Final answer
   x = 18,087.52