Finding the Fourth Proportional to 123,018.32, 169,765.80 and 69,303.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,018.32 : 169,765.80 = 69,303.98 : x
2. Step 2: Convert to fraction form
   123,018.32/169,765.80 = 69,303.98/x
3. Step 3: Cross multiply
   123,018.32x = 169,765.80 × 69,303.98
4. Step 4: Simplify right side
   123,018.32x = 11,765,445,607.88
5. Step 5: Solve for x
   x = 11,765,445,607.88/123,018.32
6. Step 6: Final answer
   x = 95,639.78