Finding the Fourth Proportional to 270,159.40, 404,991.40 and 103,822.12

Step by Step Solution

1. Step 1: Write the proportion equation
   270,159.40 : 404,991.40 = 103,822.12 : x
2. Step 2: Convert to fraction form
   270,159.40/404,991.40 = 103,822.12/x
3. Step 3: Cross multiply
   270,159.40x = 404,991.40 × 103,822.12
4. Step 4: Simplify right side
   270,159.40x = 42,047,065,729.77
5. Step 5: Solve for x
   x = 42,047,065,729.77/270,159.40
6. Step 6: Final answer
   x = 155,637.99