Finding the Fourth Proportional to 123,396.10, 185,288.55 and 70,908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,396.10 : 185,288.55 = 70,908.10 : x
2. Step 2: Convert to fraction form
   123,396.10/185,288.55 = 70,908.10/x
3. Step 3: Cross multiply
   123,396.10x = 185,288.55 × 70,908.10
4. Step 4: Simplify right side
   123,396.10x = 13,138,459,032.26
5. Step 5: Solve for x
   x = 13,138,459,032.26/123,396.10
6. Step 6: Final answer
   x = 106,473.86