Finding the Fourth Proportional to 112,976.02, 155,911.46 and 67,644.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,976.02 : 155,911.46 = 67,644.98 : x
2. Step 2: Convert to fraction form
   112,976.02/155,911.46 = 67,644.98/x
3. Step 3: Cross multiply
   112,976.02x = 155,911.46 × 67,644.98
4. Step 4: Simplify right side
   112,976.02x = 10,546,627,593.47
5. Step 5: Solve for x
   x = 10,546,627,593.47/112,976.02
6. Step 6: Final answer
   x = 93,352.80