Finding the Fourth Proportional to 293,709.72, 440,565 and 72,093.72

Step by Step Solution

1. Step 1: Write the proportion equation
   293,709.72 : 440,565 = 72,093.72 : x
2. Step 2: Convert to fraction form
   293,709.72/440,565 = 72,093.72/x
3. Step 3: Cross multiply
   293,709.72x = 440,565 × 72,093.72
4. Step 4: Simplify right side
   293,709.72x = 31,761,969,751.80
5. Step 5: Solve for x
   x = 31,761,969,751.80/293,709.72
6. Step 6: Final answer
   x = 108,140.68