Finding the Fourth Proportional to 160,470.38, 221,461.59 and 88,857.07

Step by Step Solution

1. Step 1: Write the proportion equation
   160,470.38 : 221,461.59 = 88,857.07 : x
2. Step 2: Convert to fraction form
   160,470.38/221,461.59 = 88,857.07/x
3. Step 3: Cross multiply
   160,470.38x = 221,461.59 × 88,857.07
4. Step 4: Simplify right side
   160,470.38x = 19,678,427,784.50
5. Step 5: Solve for x
   x = 19,678,427,784.50/160,470.38
6. Step 6: Final answer
   x = 122,629.66