Finding the Fourth Proportional to 190,196.76, 262,471.53 and 105,313.83

Step by Step Solution

1. Step 1: Write the proportion equation
   190,196.76 : 262,471.53 = 105,313.83 : x
2. Step 2: Convert to fraction form
   190,196.76/262,471.53 = 105,313.83/x
3. Step 3: Cross multiply
   190,196.76x = 262,471.53 × 105,313.83
4. Step 4: Simplify right side
   190,196.76x = 27,641,882,090.26
5. Step 5: Solve for x
   x = 27,641,882,090.26/190,196.76
6. Step 6: Final answer
   x = 145,333.09