Finding the Fourth Proportional to 262,739.69, 362,505.76 and 147,978.23

Step by Step Solution

1. Step 1: Write the proportion equation
   262,739.69 : 362,505.76 = 147,978.23 : x
2. Step 2: Convert to fraction form
   262,739.69/362,505.76 = 147,978.23/x
3. Step 3: Cross multiply
   262,739.69x = 362,505.76 × 147,978.23
4. Step 4: Simplify right side
   262,739.69x = 53,642,960,128.48
5. Step 5: Solve for x
   x = 53,642,960,128.48/262,739.69
6. Step 6: Final answer
   x = 204,167.71