Finding the Fourth Proportional to 42,916.87, 64,200.20 and 34,606.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,916.87 : 64,200.20 = 34,606.27 : x
2. Step 2: Convert to fraction form
   42,916.87/64,200.20 = 34,606.27/x
3. Step 3: Cross multiply
   42,916.87x = 64,200.20 × 34,606.27
4. Step 4: Simplify right side
   42,916.87x = 2,221,729,134.25
5. Step 5: Solve for x
   x = 2,221,729,134.25/42,916.87
6. Step 6: Final answer
   x = 51,768.21