Finding the Fourth Proportional to 45,940.88, 63,365.28 and 42,176

Step by Step Solution

1. Step 1: Write the proportion equation
   45,940.88 : 63,365.28 = 42,176 : x
2. Step 2: Convert to fraction form
   45,940.88/63,365.28 = 42,176/x
3. Step 3: Cross multiply
   45,940.88x = 63,365.28 × 42,176
4. Step 4: Simplify right side
   45,940.88x = 2,672,494,049.28
5. Step 5: Solve for x
   x = 2,672,494,049.28/45,940.88
6. Step 6: Final answer
   x = 58,172.46