Finding the Fourth Proportional to 108,900.98, 163,288.61 and 42,263.22

Step by Step Solution

1. Step 1: Write the proportion equation
   108,900.98 : 163,288.61 = 42,263.22 : x
2. Step 2: Convert to fraction form
   108,900.98/163,288.61 = 42,263.22/x
3. Step 3: Cross multiply
   108,900.98x = 163,288.61 × 42,263.22
4. Step 4: Simplify right side
   108,900.98x = 6,901,103,007.43
5. Step 5: Solve for x
   x = 6,901,103,007.43/108,900.98
6. Step 6: Final answer
   x = 63,370.44