Finding the Fourth Proportional to 149,526.50, 206,345.86 and 82,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,526.50 : 206,345.86 = 82,458.50 : x
2. Step 2: Convert to fraction form
   149,526.50/206,345.86 = 82,458.50/x
3. Step 3: Cross multiply
   149,526.50x = 206,345.86 × 82,458.50
4. Step 4: Simplify right side
   149,526.50x = 17,014,970,096.81
5. Step 5: Solve for x
   x = 17,014,970,096.81/149,526.50
6. Step 6: Final answer
   x = 113,792.34