Finding the Fourth Proportional to 49,917, 68,885.64 and 28,697.52

Step by Step Solution

1. Step 1: Write the proportion equation
   49,917 : 68,885.64 = 28,697.52 : x
2. Step 2: Convert to fraction form
   49,917/68,885.64 = 28,697.52/x
3. Step 3: Cross multiply
   49,917x = 68,885.64 × 28,697.52
4. Step 4: Simplify right side
   49,917x = 1,976,847,031.61
5. Step 5: Solve for x
   x = 1,976,847,031.61/49,917
6. Step 6: Final answer
   x = 39,602.68