Finding the Fourth Proportional to 127,147.72, 175,457.94 and 70,558.60

Step by Step Solution

1. Step 1: Write the proportion equation
   127,147.72 : 175,457.94 = 70,558.60 : x
2. Step 2: Convert to fraction form
   127,147.72/175,457.94 = 70,558.60/x
3. Step 3: Cross multiply
   127,147.72x = 175,457.94 × 70,558.60
4. Step 4: Simplify right side
   127,147.72x = 12,380,066,605.28
5. Step 5: Solve for x
   x = 12,380,066,605.28/127,147.72
6. Step 6: Final answer
   x = 97,367.59