Finding the Fourth Proportional to 104,815.98, 157,288.59 and 67,399.92

Step by Step Solution

1. Step 1: Write the proportion equation
   104,815.98 : 157,288.59 = 67,399.92 : x
2. Step 2: Convert to fraction form
   104,815.98/157,288.59 = 67,399.92/x
3. Step 3: Cross multiply
   104,815.98x = 157,288.59 × 67,399.92
4. Step 4: Simplify right side
   104,815.98x = 10,601,238,382.91
5. Step 5: Solve for x
   x = 10,601,238,382.91/104,815.98
6. Step 6: Final answer
   x = 101,141.43