Finding the Fourth Proportional to 42,530.76, 63,803.16 and 12,941.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,530.76 : 63,803.16 = 12,941.82 : x
2. Step 2: Convert to fraction form
   42,530.76/63,803.16 = 12,941.82/x
3. Step 3: Cross multiply
   42,530.76x = 63,803.16 × 12,941.82
4. Step 4: Simplify right side
   42,530.76x = 825,729,012.15
5. Step 5: Solve for x
   x = 825,729,012.15/42,530.76
6. Step 6: Final answer
   x = 19,414.87