Finding the Fourth Proportional to 497,667.88, 746,630.52 and 142,707.88

Step by Step Solution

1. Step 1: Write the proportion equation
   497,667.88 : 746,630.52 = 142,707.88 : x
2. Step 2: Convert to fraction form
   497,667.88/746,630.52 = 142,707.88/x
3. Step 3: Cross multiply
   497,667.88x = 746,630.52 × 142,707.88
4. Step 4: Simplify right side
   497,667.88x = 106,550,058,652.50
5. Step 5: Solve for x
   x = 106,550,058,652.50/497,667.88
6. Step 6: Final answer
   x = 214,098.73