Finding the Fourth Proportional to 51,363.50, 70,885.28 and 31,216.47

Step by Step Solution

1. Step 1: Write the proportion equation
   51,363.50 : 70,885.28 = 31,216.47 : x
2. Step 2: Convert to fraction form
   51,363.50/70,885.28 = 31,216.47/x
3. Step 3: Cross multiply
   51,363.50x = 70,885.28 × 31,216.47
4. Step 4: Simplify right side
   51,363.50x = 2,212,788,060.48
5. Step 5: Solve for x
   x = 2,212,788,060.48/51,363.50
6. Step 6: Final answer
   x = 43,080.95