Finding the Fourth Proportional to 56,664.72, 78,262.56 and 37,769.04

Step by Step Solution

1. Step 1: Write the proportion equation
   56,664.72 : 78,262.56 = 37,769.04 : x
2. Step 2: Convert to fraction form
   56,664.72/78,262.56 = 37,769.04/x
3. Step 3: Cross multiply
   56,664.72x = 78,262.56 × 37,769.04
4. Step 4: Simplify right side
   56,664.72x = 2,955,901,759.14
5. Step 5: Solve for x
   x = 2,955,901,759.14/56,664.72
6. Step 6: Final answer
   x = 52,164.76