Finding the Fourth Proportional to 123,538.42, 170,481.80 and 69,089.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,538.42 : 170,481.80 = 69,089.98 : x
2. Step 2: Convert to fraction form
   123,538.42/170,481.80 = 69,089.98/x
3. Step 3: Cross multiply
   123,538.42x = 170,481.80 × 69,089.98
4. Step 4: Simplify right side
   123,538.42x = 11,778,584,152.36
5. Step 5: Solve for x
   x = 11,778,584,152.36/123,538.42
6. Step 6: Final answer
   x = 95,343.49