Finding the Fourth Proportional to 123,499.45, 170,427.03 and 69,783.32

Step by Step Solution

1. Step 1: Write the proportion equation
   123,499.45 : 170,427.03 = 69,783.32 : x
2. Step 2: Convert to fraction form
   123,499.45/170,427.03 = 69,783.32/x
3. Step 3: Cross multiply
   123,499.45x = 170,427.03 × 69,783.32
4. Step 4: Simplify right side
   123,499.45x = 11,892,962,944.55
5. Step 5: Solve for x
   x = 11,892,962,944.55/123,499.45
6. Step 6: Final answer
   x = 96,299.73