Finding the Fourth Proportional to 42,031.67, 63,056.73 and 12,451.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,031.67 : 63,056.73 = 12,451.82 : x
2. Step 2: Convert to fraction form
   42,031.67/63,056.73 = 12,451.82/x
3. Step 3: Cross multiply
   42,031.67x = 63,056.73 × 12,451.82
4. Step 4: Simplify right side
   42,031.67x = 785,171,051.75
5. Step 5: Solve for x
   x = 785,171,051.75/42,031.67
6. Step 6: Final answer
   x = 18,680.46