Finding the Fourth Proportional to 72,521.93, 108,708.06 and 30,426.46

Step by Step Solution

1. Step 1: Write the proportion equation
   72,521.93 : 108,708.06 = 30,426.46 : x
2. Step 2: Convert to fraction form
   72,521.93/108,708.06 = 30,426.46/x
3. Step 3: Cross multiply
   72,521.93x = 108,708.06 × 30,426.46
4. Step 4: Simplify right side
   72,521.93x = 3,307,601,281.60
5. Step 5: Solve for x
   x = 3,307,601,281.60/72,521.93
6. Step 6: Final answer
   x = 45,608.29