Finding the Fourth Proportional to 144,748.18, 216,801.47 and 111,221.46

Step by Step Solution

1. Step 1: Write the proportion equation
   144,748.18 : 216,801.47 = 111,221.46 : x
2. Step 2: Convert to fraction form
   144,748.18/216,801.47 = 111,221.46/x
3. Step 3: Cross multiply
   144,748.18x = 216,801.47 × 111,221.46
4. Step 4: Simplify right side
   144,748.18x = 24,112,976,023.55
5. Step 5: Solve for x
   x = 24,112,976,023.55/144,748.18
6. Step 6: Final answer
   x = 166,585.69