Finding the Fourth Proportional to 78,463.36, 108,288.50 and 46,631.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,463.36 : 108,288.50 = 46,631.98 : x
2. Step 2: Convert to fraction form
   78,463.36/108,288.50 = 46,631.98/x
3. Step 3: Cross multiply
   78,463.36x = 108,288.50 × 46,631.98
4. Step 4: Simplify right side
   78,463.36x = 5,049,707,166.23
5. Step 5: Solve for x
   x = 5,049,707,166.23/78,463.36
6. Step 6: Final answer
   x = 64,357.52