Finding the Fourth Proportional to 72,630.04, 108,906.18 and 31,054.36

Step by Step Solution

1. Step 1: Write the proportion equation
   72,630.04 : 108,906.18 = 31,054.36 : x
2. Step 2: Convert to fraction form
   72,630.04/108,906.18 = 31,054.36/x
3. Step 3: Cross multiply
   72,630.04x = 108,906.18 × 31,054.36
4. Step 4: Simplify right side
   72,630.04x = 3,382,011,719.94
5. Step 5: Solve for x
   x = 3,382,011,719.94/72,630.04
6. Step 6: Final answer
   x = 46,564.92