Finding the Fourth Proportional to 76,788.27, 105,200.56 and 73,911.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,788.27 : 105,200.56 = 73,911.96 : x
2. Step 2: Convert to fraction form
   76,788.27/105,200.56 = 73,911.96/x
3. Step 3: Cross multiply
   76,788.27x = 105,200.56 × 73,911.96
4. Step 4: Simplify right side
   76,788.27x = 7,775,579,675.09
5. Step 5: Solve for x
   x = 7,775,579,675.09/76,788.27
6. Step 6: Final answer
   x = 101,259.99