Finding the Fourth Proportional to 127,196.53, 175,545.16 and 72,753.80

Step by Step Solution

1. Step 1: Write the proportion equation
   127,196.53 : 175,545.16 = 72,753.80 : x
2. Step 2: Convert to fraction form
   127,196.53/175,545.16 = 72,753.80/x
3. Step 3: Cross multiply
   127,196.53x = 175,545.16 × 72,753.80
4. Step 4: Simplify right side
   127,196.53x = 12,771,576,402.00
5. Step 5: Solve for x
   x = 12,771,576,402.00/127,196.53
6. Step 6: Final answer
   x = 100,408.22