Finding the Fourth Proportional to 76,732.72, 115,068.84 and 37,278.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,732.72 : 115,068.84 = 37,278.16 : x
2. Step 2: Convert to fraction form
   76,732.72/115,068.84 = 37,278.16/x
3. Step 3: Cross multiply
   76,732.72x = 115,068.84 × 37,278.16
4. Step 4: Simplify right side
   76,732.72x = 4,289,554,628.53
5. Step 5: Solve for x
   x = 4,289,554,628.53/76,732.72
6. Step 6: Final answer
   x = 55,902.55