Finding the Fourth Proportional to 45,977.38, 68,563.72 and 45,556.98

Step by Step Solution

1. Step 1: Write the proportion equation
   45,977.38 : 68,563.72 = 45,556.98 : x
2. Step 2: Convert to fraction form
   45,977.38/68,563.72 = 45,556.98/x
3. Step 3: Cross multiply
   45,977.38x = 68,563.72 × 45,556.98
4. Step 4: Simplify right side
   45,977.38x = 3,123,555,792.98
5. Step 5: Solve for x
   x = 3,123,555,792.98/45,977.38
6. Step 6: Final answer
   x = 67,936.80