Finding the Fourth Proportional to 59,081.81, 80,880.42 and 58,659.67

Step by Step Solution

1. Step 1: Write the proportion equation
   59,081.81 : 80,880.42 = 58,659.67 : x
2. Step 2: Convert to fraction form
   59,081.81/80,880.42 = 58,659.67/x
3. Step 3: Cross multiply
   59,081.81x = 80,880.42 × 58,659.67
4. Step 4: Simplify right side
   59,081.81x = 4,744,418,840.26
5. Step 5: Solve for x
   x = 4,744,418,840.26/59,081.81
6. Step 6: Final answer
   x = 80,302.54