Finding the Fourth Proportional to 113,594.15, 156,710.64 and 67,628.06

Step by Step Solution

1. Step 1: Write the proportion equation
   113,594.15 : 156,710.64 = 67,628.06 : x
2. Step 2: Convert to fraction form
   113,594.15/156,710.64 = 67,628.06/x
3. Step 3: Cross multiply
   113,594.15x = 156,710.64 × 67,628.06
4. Step 4: Simplify right side
   113,594.15x = 10,598,036,887.33
5. Step 5: Solve for x
   x = 10,598,036,887.33/113,594.15
6. Step 6: Final answer
   x = 93,297.39