Finding the Fourth Proportional to 123,615.30, 170,592.54 and 69,908.38

Step by Step Solution

1. Step 1: Write the proportion equation
   123,615.30 : 170,592.54 = 69,908.38 : x
2. Step 2: Convert to fraction form
   123,615.30/170,592.54 = 69,908.38/x
3. Step 3: Cross multiply
   123,615.30x = 170,592.54 × 69,908.38
4. Step 4: Simplify right side
   123,615.30x = 11,925,848,111.49
5. Step 5: Solve for x
   x = 11,925,848,111.49/123,615.30
6. Step 6: Final answer
   x = 96,475.50