Finding the Fourth Proportional to 45,977.69, 68,564.18 and 45,557.29

Step by Step Solution

1. Step 1: Write the proportion equation
   45,977.69 : 68,564.18 = 45,557.29 : x
2. Step 2: Convert to fraction form
   45,977.69/68,564.18 = 45,557.29/x
3. Step 3: Cross multiply
   45,977.69x = 68,564.18 × 45,557.29
4. Step 4: Simplify right side
   45,977.69x = 3,123,598,231.87
5. Step 5: Solve for x
   x = 3,123,598,231.87/45,977.69
6. Step 6: Final answer
   x = 67,937.26