Finding the Fourth Proportional to 238,798.23, 358,059.89 and 142,831.25

Step by Step Solution

1. Step 1: Write the proportion equation
   238,798.23 : 358,059.89 = 142,831.25 : x
2. Step 2: Convert to fraction form
   238,798.23/358,059.89 = 142,831.25/x
3. Step 3: Cross multiply
   238,798.23x = 358,059.89 × 142,831.25
4. Step 4: Simplify right side
   238,798.23x = 51,142,141,573.07
5. Step 5: Solve for x
   x = 51,142,141,573.07/238,798.23
6. Step 6: Final answer
   x = 214,164.66