Finding the Fourth Proportional to 127,870.34, 176,461.89 and 74,187.38

Step by Step Solution

1. Step 1: Write the proportion equation
   127,870.34 : 176,461.89 = 74,187.38 : x
2. Step 2: Convert to fraction form
   127,870.34/176,461.89 = 74,187.38/x
3. Step 3: Cross multiply
   127,870.34x = 176,461.89 × 74,187.38
4. Step 4: Simplify right side
   127,870.34x = 13,091,245,288.95
5. Step 5: Solve for x
   x = 13,091,245,288.95/127,870.34
6. Step 6: Final answer
   x = 102,379.06