Finding the Fourth Proportional to 96,443.69, 133,061.54 and 62,478.22

Step by Step Solution

1. Step 1: Write the proportion equation
   96,443.69 : 133,061.54 = 62,478.22 : x
2. Step 2: Convert to fraction form
   96,443.69/133,061.54 = 62,478.22/x
3. Step 3: Cross multiply
   96,443.69x = 133,061.54 × 62,478.22
4. Step 4: Simplify right side
   96,443.69x = 8,313,447,993.20
5. Step 5: Solve for x
   x = 8,313,447,993.20/96,443.69
6. Step 6: Final answer
   x = 86,200.02