Finding the Fourth Proportional to 58,597.40, 80,842.10 and 43,320.65

Step by Step Solution

1. Step 1: Write the proportion equation
   58,597.40 : 80,842.10 = 43,320.65 : x
2. Step 2: Convert to fraction form
   58,597.40/80,842.10 = 43,320.65/x
3. Step 3: Cross multiply
   58,597.40x = 80,842.10 × 43,320.65
4. Step 4: Simplify right side
   58,597.40x = 3,502,131,698.55
5. Step 5: Solve for x
   x = 3,502,131,698.55/58,597.40
6. Step 6: Final answer
   x = 59,766.00