Finding the Fourth Proportional to 52,503.24, 78,665.76 and 31,683

Step by Step Solution

1. Step 1: Write the proportion equation
   52,503.24 : 78,665.76 = 31,683 : x
2. Step 2: Convert to fraction form
   52,503.24/78,665.76 = 31,683/x
3. Step 3: Cross multiply
   52,503.24x = 78,665.76 × 31,683
4. Step 4: Simplify right side
   52,503.24x = 2,492,367,274.08
5. Step 5: Solve for x
   x = 2,492,367,274.08/52,503.24
6. Step 6: Final answer
   x = 47,470.73