Finding the Fourth Proportional to 149,708.76, 206,632.82 and 98,730.69

Step by Step Solution

1. Step 1: Write the proportion equation
   149,708.76 : 206,632.82 = 98,730.69 : x
2. Step 2: Convert to fraction form
   149,708.76/206,632.82 = 98,730.69/x
3. Step 3: Cross multiply
   149,708.76x = 206,632.82 × 98,730.69
4. Step 4: Simplify right side
   149,708.76x = 20,401,001,142.07
5. Step 5: Solve for x
   x = 20,401,001,142.07/149,708.76
6. Step 6: Final answer
   x = 136,271.26