Finding the Fourth Proportional to 148,156.47, 204,454.35 and 80,171.94

Step by Step Solution

1. Step 1: Write the proportion equation
   148,156.47 : 204,454.35 = 80,171.94 : x
2. Step 2: Convert to fraction form
   148,156.47/204,454.35 = 80,171.94/x
3. Step 3: Cross multiply
   148,156.47x = 204,454.35 × 80,171.94
4. Step 4: Simplify right side
   148,156.47x = 16,391,501,880.94
5. Step 5: Solve for x
   x = 16,391,501,880.94/148,156.47
6. Step 6: Final answer
   x = 110,636.42