Finding the Fourth Proportional to 199,196.16, 274,783.80 and 127,499.04

Step by Step Solution

1. Step 1: Write the proportion equation
   199,196.16 : 274,783.80 = 127,499.04 : x
2. Step 2: Convert to fraction form
   199,196.16/274,783.80 = 127,499.04/x
3. Step 3: Cross multiply
   199,196.16x = 274,783.80 × 127,499.04
4. Step 4: Simplify right side
   199,196.16x = 35,034,670,707.55
5. Step 5: Solve for x
   x = 35,034,670,707.55/199,196.16
6. Step 6: Final answer
   x = 175,880.25