Finding the Fourth Proportional to 69,054.56, 95,302.61 and 42,212.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,054.56 : 95,302.61 = 42,212.78 : x
2. Step 2: Convert to fraction form
   69,054.56/95,302.61 = 42,212.78/x
3. Step 3: Cross multiply
   69,054.56x = 95,302.61 × 42,212.78
4. Step 4: Simplify right side
   69,054.56x = 4,022,988,109.36
5. Step 5: Solve for x
   x = 4,022,988,109.36/69,054.56
6. Step 6: Final answer
   x = 58,258.11