Finding the Fourth Proportional to 190,196.96, 262,450.52 and 105,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   190,196.96 : 262,450.52 = 105,292.72 : x
2. Step 2: Convert to fraction form
   190,196.96/262,450.52 = 105,292.72/x
3. Step 3: Cross multiply
   190,196.96x = 262,450.52 × 105,292.72
4. Step 4: Simplify right side
   190,196.96x = 27,634,129,116.21
5. Step 5: Solve for x
   x = 27,634,129,116.21/190,196.96
6. Step 6: Final answer
   x = 145,292.17