Finding the Fourth Proportional to 42,182, 63,283.58 and 12,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,182 : 63,283.58 = 12,599.72 : x
2. Step 2: Convert to fraction form
   42,182/63,283.58 = 12,599.72/x
3. Step 3: Cross multiply
   42,182x = 63,283.58 × 12,599.72
4. Step 4: Simplify right side
   42,182x = 797,355,388.60
5. Step 5: Solve for x
   x = 797,355,388.60/42,182
6. Step 6: Final answer
   x = 18,902.74