Finding the Fourth Proportional to 190,562.16, 262,971.83 and 117,945.78

Step by Step Solution

1. Step 1: Write the proportion equation
   190,562.16 : 262,971.83 = 117,945.78 : x
2. Step 2: Convert to fraction form
   190,562.16/262,971.83 = 117,945.78/x
3. Step 3: Cross multiply
   190,562.16x = 262,971.83 × 117,945.78
4. Step 4: Simplify right side
   190,562.16x = 31,016,417,607.38
5. Step 5: Solve for x
   x = 31,016,417,607.38/190,562.16
6. Step 6: Final answer
   x = 162,762.73