Finding the Fourth Proportional to 42,151.83, 63,220.74 and 12,562.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,151.83 : 63,220.74 = 12,562.73 : x
2. Step 2: Convert to fraction form
   42,151.83/63,220.74 = 12,562.73/x
3. Step 3: Cross multiply
   42,151.83x = 63,220.74 × 12,562.73
4. Step 4: Simplify right side
   42,151.83x = 794,225,087.02
5. Step 5: Solve for x
   x = 794,225,087.02/42,151.83
6. Step 6: Final answer
   x = 18,842.01