Finding the Fourth Proportional to 58,871.97, 88,315.56 and 21,426.30

Step by Step Solution

1. Step 1: Write the proportion equation
   58,871.97 : 88,315.56 = 21,426.30 : x
2. Step 2: Convert to fraction form
   58,871.97/88,315.56 = 21,426.30/x
3. Step 3: Cross multiply
   58,871.97x = 88,315.56 × 21,426.30
4. Step 4: Simplify right side
   58,871.97x = 1,892,275,683.23
5. Step 5: Solve for x
   x = 1,892,275,683.23/58,871.97
6. Step 6: Final answer
   x = 32,142.22