Finding the Fourth Proportional to 69,148.31, 95,426.59 and 42,290.33

Step by Step Solution

1. Step 1: Write the proportion equation
   69,148.31 : 95,426.59 = 42,290.33 : x
2. Step 2: Convert to fraction form
   69,148.31/95,426.59 = 42,290.33/x
3. Step 3: Cross multiply
   69,148.31x = 95,426.59 × 42,290.33
4. Step 4: Simplify right side
   69,148.31x = 4,035,621,981.87
5. Step 5: Solve for x
   x = 4,035,621,981.87/69,148.31
6. Step 6: Final answer
   x = 58,361.83