Finding the Fourth Proportional to 116,828.68, 161,167.38 and 76,525

Step by Step Solution

1. Step 1: Write the proportion equation
   116,828.68 : 161,167.38 = 76,525 : x
2. Step 2: Convert to fraction form
   116,828.68/161,167.38 = 76,525/x
3. Step 3: Cross multiply
   116,828.68x = 161,167.38 × 76,525
4. Step 4: Simplify right side
   116,828.68x = 12,333,333,754.50
5. Step 5: Solve for x
   x = 12,333,333,754.50/116,828.68
6. Step 6: Final answer
   x = 105,567.69