Finding the Fourth Proportional to 117,098.50, 161,551.83 and 76,834.48

Step by Step Solution

1. Step 1: Write the proportion equation
   117,098.50 : 161,551.83 = 76,834.48 : x
2. Step 2: Convert to fraction form
   117,098.50/161,551.83 = 76,834.48/x
3. Step 3: Cross multiply
   117,098.50x = 161,551.83 × 76,834.48
4. Step 4: Simplify right side
   117,098.50x = 12,412,750,851.10
5. Step 5: Solve for x
   x = 12,412,750,851.10/117,098.50
6. Step 6: Final answer
   x = 106,002.65