Finding the Fourth Proportional to 114,443.30, 171,805.35 and 72,323.30

Step by Step Solution

1. Step 1: Write the proportion equation
   114,443.30 : 171,805.35 = 72,323.30 : x
2. Step 2: Convert to fraction form
   114,443.30/171,805.35 = 72,323.30/x
3. Step 3: Cross multiply
   114,443.30x = 171,805.35 × 72,323.30
4. Step 4: Simplify right side
   114,443.30x = 12,425,529,869.66
5. Step 5: Solve for x
   x = 12,425,529,869.66/114,443.30
6. Step 6: Final answer
   x = 108,573.68