Finding the Fourth Proportional to 76,738.72, 115,077.84 and 37,284.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,738.72 : 115,077.84 = 37,284.16 : x
2. Step 2: Convert to fraction form
   76,738.72/115,077.84 = 37,284.16/x
3. Step 3: Cross multiply
   76,738.72x = 115,077.84 × 37,284.16
4. Step 4: Simplify right side
   76,738.72x = 4,290,580,599.01
5. Step 5: Solve for x
   x = 4,290,580,599.01/76,738.72
6. Step 6: Final answer
   x = 55,911.55