Finding the Fourth Proportional to 147,820.54, 203,992.55 and 84,158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   147,820.54 : 203,992.55 = 84,158.34 : x
2. Step 2: Convert to fraction form
   147,820.54/203,992.55 = 84,158.34/x
3. Step 3: Cross multiply
   147,820.54x = 203,992.55 × 84,158.34
4. Step 4: Simplify right side
   147,820.54x = 17,167,674,380.37
5. Step 5: Solve for x
   x = 17,167,674,380.37/147,820.54
6. Step 6: Final answer
   x = 116,138.63