Finding the Fourth Proportional to 58,215.58, 80,290.51 and 39,089.59

Step by Step Solution

1. Step 1: Write the proportion equation
   58,215.58 : 80,290.51 = 39,089.59 : x
2. Step 2: Convert to fraction form
   58,215.58/80,290.51 = 39,089.59/x
3. Step 3: Cross multiply
   58,215.58x = 80,290.51 × 39,089.59
4. Step 4: Simplify right side
   58,215.58x = 3,138,522,818.34
5. Step 5: Solve for x
   x = 3,138,522,818.34/58,215.58
6. Step 6: Final answer
   x = 53,912.08