Finding the Fourth Proportional to 116,760.98, 161,065.33 and 76,539.62

Step by Step Solution

1. Step 1: Write the proportion equation
   116,760.98 : 161,065.33 = 76,539.62 : x
2. Step 2: Convert to fraction form
   116,760.98/161,065.33 = 76,539.62/x
3. Step 3: Cross multiply
   116,760.98x = 161,065.33 × 76,539.62
4. Step 4: Simplify right side
   116,760.98x = 12,327,878,156.70
5. Step 5: Solve for x
   x = 12,327,878,156.70/116,760.98
6. Step 6: Final answer
   x = 105,582.18