Finding the Fourth Proportional to 69,019.16, 103,659.96 and 42,906.38

Step by Step Solution

1. Step 1: Write the proportion equation
   69,019.16 : 103,659.96 = 42,906.38 : x
2. Step 2: Convert to fraction form
   69,019.16/103,659.96 = 42,906.38/x
3. Step 3: Cross multiply
   69,019.16x = 103,659.96 × 42,906.38
4. Step 4: Simplify right side
   69,019.16x = 4,447,673,116.25
5. Step 5: Solve for x
   x = 4,447,673,116.25/69,019.16
6. Step 6: Final answer
   x = 64,441.14