Finding the Fourth Proportional to 123,837.18, 170,883.48 and 70,111.71

Step by Step Solution

1. Step 1: Write the proportion equation
   123,837.18 : 170,883.48 = 70,111.71 : x
2. Step 2: Convert to fraction form
   123,837.18/170,883.48 = 70,111.71/x
3. Step 3: Cross multiply
   123,837.18x = 170,883.48 × 70,111.71
4. Step 4: Simplify right side
   123,837.18x = 11,980,932,993.55
5. Step 5: Solve for x
   x = 11,980,932,993.55/123,837.18
6. Step 6: Final answer
   x = 96,747.46