Finding the Fourth Proportional to 42,377.67, 63,525.15 and 20,185.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,377.67 : 63,525.15 = 20,185.11 : x
2. Step 2: Convert to fraction form
   42,377.67/63,525.15 = 20,185.11/x
3. Step 3: Cross multiply
   42,377.67x = 63,525.15 × 20,185.11
4. Step 4: Simplify right side
   42,377.67x = 1,282,262,140.52
5. Step 5: Solve for x
   x = 1,282,262,140.52/42,377.67
6. Step 6: Final answer
   x = 30,257.97