Finding the Fourth Proportional to 160,362.01, 221,153.37 and 137,693.89

Step by Step Solution

1. Step 1: Write the proportion equation
   160,362.01 : 221,153.37 = 137,693.89 : x
2. Step 2: Convert to fraction form
   160,362.01/221,153.37 = 137,693.89/x
3. Step 3: Cross multiply
   160,362.01x = 221,153.37 × 137,693.89
4. Step 4: Simplify right side
   160,362.01x = 30,451,467,801.91
5. Step 5: Solve for x
   x = 30,451,467,801.91/160,362.01
6. Step 6: Final answer
   x = 189,892.03