Finding the Fourth Proportional to 155,753.60, 214,939.82 and 84,133.59

Step by Step Solution

1. Step 1: Write the proportion equation
   155,753.60 : 214,939.82 = 84,133.59 : x
2. Step 2: Convert to fraction form
   155,753.60/214,939.82 = 84,133.59/x
3. Step 3: Cross multiply
   155,753.60x = 214,939.82 × 84,133.59
4. Step 4: Simplify right side
   155,753.60x = 18,083,658,269.89
5. Step 5: Solve for x
   x = 18,083,658,269.89/155,753.60
6. Step 6: Final answer
   x = 116,104.28