Finding the Fourth Proportional to 276,809.98, 414,892.38 and 127,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   276,809.98 : 414,892.38 = 127,066.10 : x
2. Step 2: Convert to fraction form
   276,809.98/414,892.38 = 127,066.10/x
3. Step 3: Cross multiply
   276,809.98x = 414,892.38 × 127,066.10
4. Step 4: Simplify right side
   276,809.98x = 52,718,756,646.32
5. Step 5: Solve for x
   x = 52,718,756,646.32/276,809.98
6. Step 6: Final answer
   x = 190,451.07