Finding the Fourth Proportional to 76,796.22, 115,150.96 and 31,792.15

Step by Step Solution

1. Step 1: Write the proportion equation
   76,796.22 : 115,150.96 = 31,792.15 : x
2. Step 2: Convert to fraction form
   76,796.22/115,150.96 = 31,792.15/x
3. Step 3: Cross multiply
   76,796.22x = 115,150.96 × 31,792.15
4. Step 4: Simplify right side
   76,796.22x = 3,660,896,592.96
5. Step 5: Solve for x
   x = 3,660,896,592.96/76,796.22
6. Step 6: Final answer
   x = 47,670.27