Finding the Fourth Proportional to 147,191.30, 203,128.90 and 82,671.89

Step by Step Solution

1. Step 1: Write the proportion equation
   147,191.30 : 203,128.90 = 82,671.89 : x
2. Step 2: Convert to fraction form
   147,191.30/203,128.90 = 82,671.89/x
3. Step 3: Cross multiply
   147,191.30x = 203,128.90 × 82,671.89
4. Step 4: Simplify right side
   147,191.30x = 16,793,049,663.26
5. Step 5: Solve for x
   x = 16,793,049,663.26/147,191.30
6. Step 6: Final answer
   x = 114,089.96