Finding the Fourth Proportional to 71,791.61, 99,028.31 and 46,288.49

Step by Step Solution

1. Step 1: Write the proportion equation
   71,791.61 : 99,028.31 = 46,288.49 : x
2. Step 2: Convert to fraction form
   71,791.61/99,028.31 = 46,288.49/x
3. Step 3: Cross multiply
   71,791.61x = 99,028.31 × 46,288.49
4. Step 4: Simplify right side
   71,791.61x = 4,583,870,210.57
5. Step 5: Solve for x
   x = 4,583,870,210.57/71,791.61
6. Step 6: Final answer
   x = 63,849.67