Finding the Fourth Proportional to 123,265.72, 170,052.67 and 72,252.59

Step by Step Solution

1. Step 1: Write the proportion equation
   123,265.72 : 170,052.67 = 72,252.59 : x
2. Step 2: Convert to fraction form
   123,265.72/170,052.67 = 72,252.59/x
3. Step 3: Cross multiply
   123,265.72x = 170,052.67 × 72,252.59
4. Step 4: Simplify right side
   123,265.72x = 12,286,746,088.42
5. Step 5: Solve for x
   x = 12,286,746,088.42/123,265.72
6. Step 6: Final answer
   x = 99,676.91