Finding the Fourth Proportional to 127,287.34, 175,637 and 73,561.98

Step by Step Solution

1. Step 1: Write the proportion equation
   127,287.34 : 175,637 = 73,561.98 : x
2. Step 2: Convert to fraction form
   127,287.34/175,637 = 73,561.98/x
3. Step 3: Cross multiply
   127,287.34x = 175,637 × 73,561.98
4. Step 4: Simplify right side
   127,287.34x = 12,920,205,481.26
5. Step 5: Solve for x
   x = 12,920,205,481.26/127,287.34
6. Step 6: Final answer
   x = 101,504.25