Finding the Fourth Proportional to 105,353.20, 158,116.20 and 101,897.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,353.20 : 158,116.20 = 101,897.20 : x
2. Step 2: Convert to fraction form
   105,353.20/158,116.20 = 101,897.20/x
3. Step 3: Cross multiply
   105,353.20x = 158,116.20 × 101,897.20
4. Step 4: Simplify right side
   105,353.20x = 16,111,598,054.64
5. Step 5: Solve for x
   x = 16,111,598,054.64/105,353.20
6. Step 6: Final answer
   x = 152,929.37