Finding the Fourth Proportional to 287,903.36, 397,304.72 and 158,848.48

Step by Step Solution

1. Step 1: Write the proportion equation
   287,903.36 : 397,304.72 = 158,848.48 : x
2. Step 2: Convert to fraction form
   287,903.36/397,304.72 = 158,848.48/x
3. Step 3: Cross multiply
   287,903.36x = 397,304.72 × 158,848.48
4. Step 4: Simplify right side
   287,903.36x = 63,111,250,868.83
5. Step 5: Solve for x
   x = 63,111,250,868.83/287,903.36
6. Step 6: Final answer
   x = 219,209.84