Finding the Fourth Proportional to 60,783.72, 83,885.76 and 33,931.47

Step by Step Solution

1. Step 1: Write the proportion equation
   60,783.72 : 83,885.76 = 33,931.47 : x
2. Step 2: Convert to fraction form
   60,783.72/83,885.76 = 33,931.47/x
3. Step 3: Cross multiply
   60,783.72x = 83,885.76 × 33,931.47
4. Step 4: Simplify right side
   60,783.72x = 2,846,367,148.87
5. Step 5: Solve for x
   x = 2,846,367,148.87/60,783.72
6. Step 6: Final answer
   x = 46,827.79