Finding the Fourth Proportional to 58,650.53, 87,765.54 and 50,780.18

Step by Step Solution

1. Step 1: Write the proportion equation
   58,650.53 : 87,765.54 = 50,780.18 : x
2. Step 2: Convert to fraction form
   58,650.53/87,765.54 = 50,780.18/x
3. Step 3: Cross multiply
   58,650.53x = 87,765.54 × 50,780.18
4. Step 4: Simplify right side
   58,650.53x = 4,456,749,480.17
5. Step 5: Solve for x
   x = 4,456,749,480.17/58,650.53
6. Step 6: Final answer
   x = 75,988.23