Finding the Fourth Proportional to 123,538.16, 170,480.04 and 69,816.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,538.16 : 170,480.04 = 69,816.08 : x
2. Step 2: Convert to fraction form
   123,538.16/170,480.04 = 69,816.08/x
3. Step 3: Cross multiply
   123,538.16x = 170,480.04 × 69,816.08
4. Step 4: Simplify right side
   123,538.16x = 11,902,248,111.04
5. Step 5: Solve for x
   x = 11,902,248,111.04/123,538.16
6. Step 6: Final answer
   x = 96,344.71