Finding the Fourth Proportional to 42,546.88, 63,803.76 and 12,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,546.88 : 63,803.76 = 12,554.56 : x
2. Step 2: Convert to fraction form
   42,546.88/63,803.76 = 12,554.56/x
3. Step 3: Cross multiply
   42,546.88x = 63,803.76 × 12,554.56
4. Step 4: Simplify right side
   42,546.88x = 801,028,133.15
5. Step 5: Solve for x
   x = 801,028,133.15/42,546.88
6. Step 6: Final answer
   x = 18,826.95