Finding the Fourth Proportional to 58,613.25, 80,887.94 and 33,120.70

Step by Step Solution

1. Step 1: Write the proportion equation
   58,613.25 : 80,887.94 = 33,120.70 : x
2. Step 2: Convert to fraction form
   58,613.25/80,887.94 = 33,120.70/x
3. Step 3: Cross multiply
   58,613.25x = 80,887.94 × 33,120.70
4. Step 4: Simplify right side
   58,613.25x = 2,679,065,074.94
5. Step 5: Solve for x
   x = 2,679,065,074.94/58,613.25
6. Step 6: Final answer
   x = 45,707.50