Finding the Fourth Proportional to 402,571,593.82, 603,707,873.71 and 140,188,764.73

Step by Step Solution

1. Step 1: Write the proportion equation
   402,571,593.82 : 603,707,873.71 = 140,188,764.73 : x
2. Step 2: Convert to fraction form
   402,571,593.82/603,707,873.71 = 140,188,764.73/x
3. Step 3: Cross multiply
   402,571,593.82x = 603,707,873.71 × 140,188,764.73
4. Step 4: Simplify right side
   402,571,593.82x = 84,633,061,069,460,256
5. Step 5: Solve for x
   x = 84,633,061,069,460,256/402,571,593.82
6. Step 6: Final answer
   x = 210,231,080.31