Finding the Fourth Proportional to 78,096.15, 107,792.33 and 70,124.49

Step by Step Solution

1. Step 1: Write the proportion equation
   78,096.15 : 107,792.33 = 70,124.49 : x
2. Step 2: Convert to fraction form
   78,096.15/107,792.33 = 70,124.49/x
3. Step 3: Cross multiply
   78,096.15x = 107,792.33 × 70,124.49
4. Step 4: Simplify right side
   78,096.15x = 7,558,881,816.54
5. Step 5: Solve for x
   x = 7,558,881,816.54/78,096.15
6. Step 6: Final answer
   x = 96,789.43