Finding the Fourth Proportional to 436,300.98, 654,450.25 and 136,782.82

Step by Step Solution

1. Step 1: Write the proportion equation
   436,300.98 : 654,450.25 = 136,782.82 : x
2. Step 2: Convert to fraction form
   436,300.98/654,450.25 = 136,782.82/x
3. Step 3: Cross multiply
   436,300.98x = 654,450.25 × 136,782.82
4. Step 4: Simplify right side
   436,300.98x = 89,517,550,744.71
5. Step 5: Solve for x
   x = 89,517,550,744.71/436,300.98
6. Step 6: Final answer
   x = 205,173.85