Finding the Fourth Proportional to 123,928.32, 171,036.59 and 70,230.63

Step by Step Solution

1. Step 1: Write the proportion equation
   123,928.32 : 171,036.59 = 70,230.63 : x
2. Step 2: Convert to fraction form
   123,928.32/171,036.59 = 70,230.63/x
3. Step 3: Cross multiply
   123,928.32x = 171,036.59 × 70,230.63
4. Step 4: Simplify right side
   123,928.32x = 12,012,007,758.99
5. Step 5: Solve for x
   x = 12,012,007,758.99/123,928.32
6. Step 6: Final answer
   x = 96,927.06