Finding the Fourth Proportional to 52,682.49, 78,641.96 and 48,780.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,682.49 : 78,641.96 = 48,780.54 : x
2. Step 2: Convert to fraction form
   52,682.49/78,641.96 = 48,780.54/x
3. Step 3: Cross multiply
   52,682.49x = 78,641.96 × 48,780.54
4. Step 4: Simplify right side
   52,682.49x = 3,836,197,031.56
5. Step 5: Solve for x
   x = 3,836,197,031.56/52,682.49
6. Step 6: Final answer
   x = 72,817.31