Finding the Fourth Proportional to 123,123.42, 169,900.14 and 69,421.64

Step by Step Solution

1. Step 1: Write the proportion equation
   123,123.42 : 169,900.14 = 69,421.64 : x
2. Step 2: Convert to fraction form
   123,123.42/169,900.14 = 69,421.64/x
3. Step 3: Cross multiply
   123,123.42x = 169,900.14 × 69,421.64
4. Step 4: Simplify right side
   123,123.42x = 11,794,746,355.03
5. Step 5: Solve for x
   x = 11,794,746,355.03/123,123.42
6. Step 6: Final answer
   x = 95,796.12