Finding the Fourth Proportional to 78,792.69, 117,574.49 and 70,300.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,792.69 : 117,574.49 = 70,300.82 : x
2. Step 2: Convert to fraction form
   78,792.69/117,574.49 = 70,300.82/x
3. Step 3: Cross multiply
   78,792.69x = 117,574.49 × 70,300.82
4. Step 4: Simplify right side
   78,792.69x = 8,265,582,880.81
5. Step 5: Solve for x
   x = 8,265,582,880.81/78,792.69
6. Step 6: Final answer
   x = 104,902.91