Finding the Fourth Proportional to 76,768.72, 115,150.32 and 26,848.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,768.72 : 115,150.32 = 26,848.72 : x
2. Step 2: Convert to fraction form
   76,768.72/115,150.32 = 26,848.72/x
3. Step 3: Cross multiply
   76,768.72x = 115,150.32 × 26,848.72
4. Step 4: Simplify right side
   76,768.72x = 3,091,638,699.59
5. Step 5: Solve for x
   x = 3,091,638,699.59/76,768.72
6. Step 6: Final answer
   x = 40,272.11