Finding the Fourth Proportional to 113,323.82, 156,324.72 and 70,288.45

Step by Step Solution

1. Step 1: Write the proportion equation
   113,323.82 : 156,324.72 = 70,288.45 : x
2. Step 2: Convert to fraction form
   113,323.82/156,324.72 = 70,288.45/x
3. Step 3: Cross multiply
   113,323.82x = 156,324.72 × 70,288.45
4. Step 4: Simplify right side
   113,323.82x = 10,987,822,265.48
5. Step 5: Solve for x
   x = 10,987,822,265.48/113,323.82
6. Step 6: Final answer
   x = 96,959.51