Finding the Fourth Proportional to 76,106.76, 114,131.76 and 26,172.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,106.76 : 114,131.76 = 26,172.72 : x
2. Step 2: Convert to fraction form
   76,106.76/114,131.76 = 26,172.72/x
3. Step 3: Cross multiply
   76,106.76x = 114,131.76 × 26,172.72
4. Step 4: Simplify right side
   76,106.76x = 2,987,138,597.59
5. Step 5: Solve for x
   x = 2,987,138,597.59/76,106.76
6. Step 6: Final answer
   x = 39,249.32