Finding the Fourth Proportional to 127,012.76, 175,237.71 and 73,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,012.76 : 175,237.71 = 73,290.72 : x
2. Step 2: Convert to fraction form
   127,012.76/175,237.71 = 73,290.72/x
3. Step 3: Cross multiply
   127,012.76x = 175,237.71 × 73,290.72
4. Step 4: Simplify right side
   127,012.76x = 12,843,297,937.05
5. Step 5: Solve for x
   x = 12,843,297,937.05/127,012.76
6. Step 6: Final answer
   x = 101,118.17