Finding the Fourth Proportional to 96,945.50, 133,786.41 and 58,706.21

Step by Step Solution

1. Step 1: Write the proportion equation
   96,945.50 : 133,786.41 = 58,706.21 : x
2. Step 2: Convert to fraction form
   96,945.50/133,786.41 = 58,706.21/x
3. Step 3: Cross multiply
   96,945.50x = 133,786.41 × 58,706.21
4. Step 4: Simplify right side
   96,945.50x = 7,854,093,080.61
5. Step 5: Solve for x
   x = 7,854,093,080.61/96,945.50
6. Step 6: Final answer
   x = 81,015.55