Finding the Fourth Proportional to 123,282.56, 170,075.92 and 72,269.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,282.56 : 170,075.92 = 72,269.42 : x
2. Step 2: Convert to fraction form
   123,282.56/170,075.92 = 72,269.42/x
3. Step 3: Cross multiply
   123,282.56x = 170,075.92 × 72,269.42
4. Step 4: Simplify right side
   123,282.56x = 12,291,288,094.37
5. Step 5: Solve for x
   x = 12,291,288,094.37/123,282.56
6. Step 6: Final answer
   x = 99,700.14