Finding the Fourth Proportional to 76,788.72, 115,100.28 and 37,257.84

Step by Step Solution

1. Step 1: Write the proportion equation
   76,788.72 : 115,100.28 = 37,257.84 : x
2. Step 2: Convert to fraction form
   76,788.72/115,100.28 = 37,257.84/x
3. Step 3: Cross multiply
   76,788.72x = 115,100.28 × 37,257.84
4. Step 4: Simplify right side
   76,788.72x = 4,288,387,816.20
5. Step 5: Solve for x
   x = 4,288,387,816.20/76,788.72
6. Step 6: Final answer
   x = 55,846.59