Finding the Fourth Proportional to 56,871.38, 78,514.59 and 37,783.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,871.38 : 78,514.59 = 37,783.88 : x
2. Step 2: Convert to fraction form
   56,871.38/78,514.59 = 37,783.88/x
3. Step 3: Cross multiply
   56,871.38x = 78,514.59 × 37,783.88
4. Step 4: Simplify right side
   56,871.38x = 2,966,585,846.81
5. Step 5: Solve for x
   x = 2,966,585,846.81/56,871.38
6. Step 6: Final answer
   x = 52,163.07