Finding the Fourth Proportional to 149,710.89, 206,635.76 and 98,732.82

Step by Step Solution

1. Step 1: Write the proportion equation
   149,710.89 : 206,635.76 = 98,732.82 : x
2. Step 2: Convert to fraction form
   149,710.89/206,635.76 = 98,732.82/x
3. Step 3: Cross multiply
   149,710.89x = 206,635.76 × 98,732.82
4. Step 4: Simplify right side
   149,710.89x = 20,401,731,297.64
5. Step 5: Solve for x
   x = 20,401,731,297.64/149,710.89
6. Step 6: Final answer
   x = 136,274.20