Finding the Fourth Proportional to 436,258.98, 654,396.72 and 136,732.98

Step by Step Solution

1. Step 1: Write the proportion equation
   436,258.98 : 654,396.72 = 136,732.98 : x
2. Step 2: Convert to fraction form
   436,258.98/654,396.72 = 136,732.98/x
3. Step 3: Cross multiply
   436,258.98x = 654,396.72 × 136,732.98
4. Step 4: Simplify right side
   436,258.98x = 89,477,613,627.83
5. Step 5: Solve for x
   x = 89,477,613,627.83/436,258.98
6. Step 6: Final answer
   x = 205,102.06