Finding the Fourth Proportional to 301,608.72, 452,412.78 and 76,969.16

Step by Step Solution

1. Step 1: Write the proportion equation
   301,608.72 : 452,412.78 = 76,969.16 : x
2. Step 2: Convert to fraction form
   301,608.72/452,412.78 = 76,969.16/x
3. Step 3: Cross multiply
   301,608.72x = 452,412.78 × 76,969.16
4. Step 4: Simplify right side
   301,608.72x = 34,821,831,649.86
5. Step 5: Solve for x
   x = 34,821,831,649.86/301,608.72
6. Step 6: Final answer
   x = 115,453.66