Finding the Fourth Proportional to 127,770.70, 176,327.22 and 71,185.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,770.70 : 176,327.22 = 71,185.72 : x
2. Step 2: Convert to fraction form
   127,770.70/176,327.22 = 71,185.72/x
3. Step 3: Cross multiply
   127,770.70x = 176,327.22 × 71,185.72
4. Step 4: Simplify right side
   127,770.70x = 12,551,980,111.30
5. Step 5: Solve for x
   x = 12,551,980,111.30/127,770.70
6. Step 6: Final answer
   x = 98,238.33