Finding the Fourth Proportional to 132,868.71, 199,328.72 and 42,935.63

Step by Step Solution

1. Step 1: Write the proportion equation
   132,868.71 : 199,328.72 = 42,935.63 : x
2. Step 2: Convert to fraction form
   132,868.71/199,328.72 = 42,935.63/x
3. Step 3: Cross multiply
   132,868.71x = 199,328.72 × 42,935.63
4. Step 4: Simplify right side
   132,868.71x = 8,558,302,958.97
5. Step 5: Solve for x
   x = 8,558,302,958.97/132,868.71
6. Step 6: Final answer
   x = 64,411.73