Finding the Fourth Proportional to 150,839.61, 226,354.73 and 84,323.42

Step by Step Solution

1. Step 1: Write the proportion equation
   150,839.61 : 226,354.73 = 84,323.42 : x
2. Step 2: Convert to fraction form
   150,839.61/226,354.73 = 84,323.42/x
3. Step 3: Cross multiply
   150,839.61x = 226,354.73 × 84,323.42
4. Step 4: Simplify right side
   150,839.61x = 19,087,005,111.05
5. Step 5: Solve for x
   x = 19,087,005,111.05/150,839.61
6. Step 6: Final answer
   x = 126,538.41